We can see nothing whatever of the soul unless it is visible in the expression of the countenance; one might call the faces at a large assembly of people a history of the human soul written in a kind of Chinese ideograms.

The greatest events occur without intention playing any part in them; chance makes good mistakes and undoes the most carefully planned undertaking. The world's greatest events are not produced, they happen.

Whenever he composes a critical review, I have been told, he gets an enormous erection.

Pain warns us not to exert our limbs to the point of breaking them. How much knowledge would we not need to recognize this by the exercise of mere reason.

The proof that man is the noblest of all creatures is that no other creature has ever denied it.

God: personified incomprehensibility.

Most subjects at universities are taught for no other purpose than that they may be re-taught when the students become teachers.