How shall we learn to know ourselves? By reflection? Never; but only through action. Strive to do thy duty; then you shall know what is in thee.

How can we know ourselves? Never by reflection, but only through action. Begin at once to do your duty and immediately you will know what is inside you.

A teacher who can arouse a feeling for one single good action, for one single good poem, accomplishes more than he who fills our memory with rows and rows of natural objects, classified with name and form

I treat my heart like a sick child and gratify its every fancy.

I am proud of my heart alone, it is the sole source of everything, all our strength, happiness and misery. All the knowledge I possess everyone else can acquire, but my heart is all my own

When the sound and wholesome nature of man acts as an entirety, when he feels himself in the world as in a grand, beautiful, worthy and worthwhile whole, when this harmonious comfort affords him a pure, untrammeled delight: then the universe, if it could be sensible of itself, would shout for joy at having attained its goal and wonder at the pinnacle of its own essence and evolution. For what end is served by all the expenditure of suns and planets and moons, of stars and Milky Ways, of comets and nebula, of worlds evolving and passing away, if at last a happy man does not involuntarily rejoice in his existence?