He who has not the spirit of this age, has all the misery of it.

Nature has made us frivolous to console us for our miseries

Martin in particular concluded that man was born to live either in the convulsions of misery, or in the lethargy of boredom.

He who is not just is severe, he who is not wise is sad.

It is an infantile superstition of the human spirit that virginity would be thought a virtue and not the barrier that separates ignorance from knowledge

When he to whom one speaks does not understand, and he who speaks himself does not understand, that is metaphysics.