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The algebraic sum of all the transformations occurring in a cyclical process can only be positive, or, as an extreme case, equal to nothing.

[Statement of the second law of thermodynamics, 1862]


Rudolf Clausius

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RUDOLF BING You live as long as you dance.
RUDOLF NUREYEV The subject of the lesson itself should not become more important that the underlying basis. Drawing...
RUDOLF STEINER We will not find the inner strength to evolve to a higher level if we do not inwardly develop this p...
RUDOLF STEINER You must always be open to new experiences; by this means, your physical and etheric bodies will be ...
RUDOLF STEINER I don't care if Margot is a Dame of the British Empire or older than myself. For me she represen...
RUDOLF NUREYEV Down below the broad, roaring waves of the sea break against the deep foundation of the rock. But hi...
RUDOLF OTTO Nothing is more humbling than to look with a strong magnifying glass at an insect so tiny that the n...
RUDOLF ARNHEIM There is something precious in our being mysteries to ourselves, in our being unable ever to see thr...
RUDOLF BULTMANN A healthy social life is found only, when in the mirror of each soul the whole community finds its r...
RUDOLF STEINER May my soul bloom in love for all existence.
RUDOLF STEINER The main difference in the effectiveness of teaching comes from the thoughts the teacher has had dur...
RUDOLF STEINER However superficial prevailing views of heredity seem to be, it must be admitted that a person is in...
RUDOLF STEINER Only man is permitted to live without rhythm in order that he can become free. However, he must of h...
RUDOLF STEINER Prenatal education can only be an unconscious result of what the parents, particularly the mother, d...
RUDOLF STEINER All of nature begins to whisper its secrets to us through its sounds. Sounds that were previously in...
RUDOLF STEINER The clarification of visual forms and their organization in integrated patterns as well as the attri...
RUDOLF ARNHEIM Gothic architecture requires individual craftsmanship. The wish to create an enclosed world for the ...
RUDOLF STEINER It is obvious, moreover, that the formation of price in capitalist society must differ from the form...
RUDOLF HIFERDING You can go from object to object, from plant to plant, from animal to animal and regard them as symb...
RUDOLF STEINER The capacities by which we can gain insights into higher worlds lie dormant within each one of us.
RUDOLF STEINER All things which have a directing force here in the physical world cease to exist when one arrives i...
RUDOLF STEINER Heavy pillars, carved from the rock, bear the roof. Slowly, one's eyes become accustomed to the ...
RUDOLF OTTO The whole of ancient astrology owed its origin to conversation with the cosmic intelligences. But by...
RUDOLF STEINER We must assimilate the thought that life between death and a new birth is so constituted that everyt...
RUDOLF STEINER The true teachers and educators are not those who have learned pedagogy as the science of dealing wi...
RUDOLF STEINER Esoteric or inner knowledge is no different from other kinds of human knowledge and ability. It is a...
RUDOLF STEINER What is attained by a developed thinking is not visions but spiritual sight of realities; what is at...
RUDOLF STEINER The automobile engine will come, and then I will consider my life's work complete.
RUDOLF DIESEL In a land of immigrants, one was not an alien but simply the latest arrival.
RUDOLF ARNHEIM A system is in equilibrium when the forces constituting it are arranged in such a way as to compensa...
RUDOLF ARNHEIM The most important thing in arithmetic is not the shapes of the numbers but the reality living in th...
RUDOLF STEINER A truth which comes to us from outside always bears the stamp of uncertainty. We can believe only wh...
RUDOLF STEINER One can ascend to a higher development only by bringing rhythm and repetition into one's life. R...
RUDOLF STEINER Only a person who has passed through the gate of humility can ascend to the heights of the spirit.
RUDOLF STEINER Expressions of disapproval are on a level of vulgarity that cannot be tolerated. The way to express ...
RUDOLF BING At one of the annual conventions of the American Society for Aesthetics much confusion arose when th...
RUDOLF ARNHEIM Rather than be asked to abandon one's own heritage and to adapt to the mores of the new country,...
RUDOLF ARNHEIM Anyone who believes that it is possible to educate the will without cultivating the insight that enl...
RUDOLF STEINER We must guard against disrespectful, disparaging, and criticizing thoughts. We must try to practice ...
RUDOLF STEINER When you objectively observe the most spiritual area to which modern people devote themselves, the r...
RUDOLF STEINER Nature has endowed us with needs; among them are some that she leaves to our own activity to satisfy...
RUDOLF STEINER Our thoughts do not actually exist; they are only pictures. A great error was made at the end of the...
RUDOLF STEINER Learning certain things purely through memory is related to the developmental forces that are presen...
RUDOLF STEINER When what we introduce into the children's world of ideas and feelings is in line with the direc...
RUDOLF STEINER Descriptions of inner, spiritual processes are much more liable to misunderstanding than description...
RUDOLF STEINER You cannot be an educator or a teacher without relating to children with full insight. Their urge to...
RUDOLF STEINER A pas de deux is a dialogue of love. How can there be conversation if one partner is dumb?
RUDOLF NUREYEV Logic is the last scientific ingredient of Philosophy; its extraction leaves behind only a confusion...
RUDOLF CARNAP It is possibly not very helpful to our inner life to ponder a great deal on how the external world i...
RUDOLF STEINER A feeling for equal rights for other human beings cannot exist in adults if a feeling for authority ...
RUDOLF STEINER Failure to take note of the fact that the character of twentieth-century humanity differs from that ...
RUDOLF STEINER When we have learnt through a period of finely honed training to live in Imaginative Thinking, when ...
RUDOLF STEINER A healthy social life is found only when, in the mirror of each soul, the whole community finds its ...
RUDOLF STEINER If I meet other people and criticize their weaknesses, I rob myself of higher cognitive power. But i...
RUDOLF STEINER In raising children, we need to continuously keep in mind how we can best create the most favorable ...
RUDOLF STEINER You must take a definite idea, set it in the centre of your thinking, and then logically arrange you...
RUDOLF STEINER If one is interested in the relations between fields which, according to customary academic division...
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RUDOLF NUREYEV My leg, make it more beautiful.
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RUDOLF ARNHEIM I have often called attention to the fact that walking through the streets in the Middle Ages was a ...
RUDOLF STEINER What the spiritual investigator has to do to acquire the faculty of looking into the spiritual world...
RUDOLF STEINER In our will, there lives something which is perpetually observing us inwardly. It is easy to look up...
RUDOLF STEINER The knowledge we gain about the secrets of the spiritual world is at every hour, at every moment, of...
RUDOLF STEINER It should not be expected that what is spiritual can be brought before the eyes, before the senses. ...
RUDOLF STEINER How nice the human voice is when it isn't singing.
RUDOLF BING You can get an idea of human nature only when you can see the relationship of the individual human b...
RUDOLF STEINER Links are formed karmically on the earth and then continue between death and a new birth. Those who ...
RUDOLF STEINER Man only becomes independent of this physical world when he learns to consider the objects around hi...
RUDOLF STEINER The arts, as a reflection of human existence at its highest, have always and spontaneously lived up ...
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RUDOLF STEINER The strength people need to proceed along the path of human development can come only from the spiri...
RUDOLF STEINER Knowledge has value only insofar as it contributes to the all-round development of the whole nature ...
RUDOLF STEINER Observation and thinking are the two points of departure for all the spiritual striving of man, inso...
RUDOLF STEINER My feet are dogs.
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RUDOLF STEINER Today we no longer regard the universe as the cause of our own undeserved troubles but perhaps, on t...
RUDOLF ARNHEIM The opera always loses money. That's as it should be. Opera has no business making money.
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DAVID RUDOLF When the jury came in, it didn't just disappoint me; it shook the foundations of my beliefs, it shoo...
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DAVID RUDOLF We want an ensemble of stars, not comets.
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RUDOLF BING They have a disease of the throat.
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RUDOLF STEINER Immortality is the negation of death. We do not usually speak about 'innatality' - about hav...
RUDOLF STEINER The absurd consequences of neglecting structure but using the concept of order just the same are evi...
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RUDOLF STEINER Our position is that he had absolutely nothing to do with it. It was an accident. It happened while ...
DAVID RUDOLF There is something precious in our being mysteries to ourselves, in our being unable ever to see thr...
RUDOLF BULTMANN Good art theory must smell of the studio, although its language should differ from the household tal...
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RUDOLF ARNHEIM As one gets older, it happens that in the morning one fails to remember the airplane trip to be take...
RUDOLF ARNHEIM All perceiving is also thinking, all reasoning is also intuition, all observation is also invention.
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RUDOLF STEINER Architecture produces a musical mood in our inner being, and we notice that even though the elements...
RUDOLF STEINER The rehabilitation of order as a universal principle, however, suggested at the same time that order...
RUDOLF ARNHEIM But whether, for example, a coat can be exchanged for twenty yards of linen cloth or for forty yards...
RUDOLF HIFERDING But aesthetics is not religion, and the origins of religion lie somewhere completely different. They...
RUDOLF OTTO Just as in the body, eye and ear develop as organs of perception, as senses for bodily processes, so...
RUDOLF STEINER The realms of life are many. For each one, special sciences develop. But life itself is a unity, and...
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RUDOLF BING I will not enter into a public feud with Madame Callas, since I am well aware that she has considera...
RUDOLF BING She will sing only if her husband conducts, so I accept the old Viennese saying that if you want the...
RUDOLF BING Between death and a new birth, we know that our body, down to its smallest particles, is formed out ...
RUDOLF STEINER The vision of the human being is confined today to the physical body. One regards this as a reality;...
RUDOLF STEINER Thinking is a picturing of all our experiences before birth or before conception. You cannot come to...
RUDOLF STEINER Oriental reality is called ideology in Europe and America, and Western ideology is called reality in...
RUDOLF STEINER To see this place would truly be worth a trip to India in itself, and from the spirit of the religio...
RUDOLF OTTO There is a continuum which starts with direct sensory observations and proceeds to enormously comple...
RUDOLF CARNAP In science there are no 'depths'; there is surface everywhere.
RUDOLF CARNAP To work in this spirit would be my task from now on!
RUDOLF CARNAP Technique is what you fall back on when you run out of inspiration.
RUDOLF NUREYEV Liberalism and Democracy were pre-eminently political concepts, and, since the great majority of the...
RUDOLF ROCKER In order for the students' development and the outer development of civilization to coincide, we...
RUDOLF STEINER The essential and living elements in our architectural activities stem from what was implanted in us...
RUDOLF STEINER The Egyptian was the reverse of a theorist or mere thinker. He wanted to perceive with his senses ho...
RUDOLF STEINER By giving material expression to force-forms in space, the Greeks gave divine spiritual beings the o...
RUDOLF STEINER A child does not notice the greatness and the beauty of nature and the splendor of God in his works.
RUDOLF OTTO What is of the nature of spirit and soul must be gleaned from facts belonging to the spirit and soul...
RUDOLF STEINER When children draw or do rudimentary painting, the whole human being develops an interest in what is...
RUDOLF STEINER Where is the book in which the teacher can read about what teaching is? The children themselves are ...
RUDOLF STEINER That which secures life from exhaustion lies in the unseen world, deep at the roots of things.
RUDOLF STEINER Die Kunst ist ewig, ihre Formen wandeln sich.
(The art is eternal, their shapes are changing.)
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RUDOLF STEINER The time has come to realize that supersensible knowledge has now to arise from the materialistic gr...
RUDOLF STEINER Love starts when we push aside our ego and make room for someone else.
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RUDOLF STEINER You will not be good teachers if you focus only on what you do and not upon who you are.
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RUDOLF STEINER However, the index should remain in strongly positive terrain.
RUDOLF GOUWS They can never, ever, become a baby.
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WALTER RUDOLF HESS Exact information about the functional significance of the deep sections of the brain is only obtain...
WALTER RUDOLF HESS The goal of physiological research is functional nature.
WALTER RUDOLF HESS In fact, quantitative findings of any material and energy changes preserve their full context only t...
WALTER RUDOLF HESS At the beginning of all experimental work stands the choice of the appropriate technique of investig...
WALTER RUDOLF HESS It must be born in mind that one does not see directly - as is the case in the exploration of the su...
WALTER RUDOLF HESS The only positive finding which could be drawn from the first series, was the conclusion that the re...
WALTER RUDOLF HESS For man also, in health and sickness, is not just the sum of his organs, but is indeed a human organ...
WALTER RUDOLF HESS Nature, of course, has its share in the life of the soul and in numerous manifestations deeply influ...
RUDOLF CHRISTOPH EUCKEN Technological progress becomes even more exciting when it enters into the service of the social idea...
RUDOLF CHRISTOPH EUCKEN The transformation of environment has become the purpose of human life; life seems real only insofar...
RUDOLF CHRISTOPH EUCKEN It especially suits modern Chinese families, as families are becoming smaller nowadays.
RUDOLF ZARTH GESCHAFTSLEITUNG Be inspired by the goodness in people and not their flaws.
RUDOLF JEROME RAGAY The historical method includes the presupposition that history is a unity in the sense of a closed c...
RUDOLF KARL BULTMANN I do not think that the wireless waves I have discovered will have any practical application
HEINRICH RUDOLF HERTZ Never judge a person how he died, but how he lived.
RUDOLF JEROME RAGAY Laws should be made, not against quacks but against superstition.
RUDOLF LUDWIG KARL VIRCHOW Belief begins where science leaves off and ends where science begins.
RUDOLF LUDWIG KARL VIRCHOW