There are people who possess not so much genius as a certain talent for perceiving the desires of the century, or even of the decade, before it has done so itself.

If an angel were to tell us about his philosophy, I believe many of his statements might well sound like '2 x 2= 13'.

Reading means borrowing.

Be attentive, feel nothing in vain, measure and compare: this is the whole law of philosophy.

We are obliged to regard many of our original minds as crazy at least until we have become as clever as they are.

It is almost impossible to carry the torch of truth through a crowd without singeing somebody's beard.

Man is a masterpiece of creation, if only because no amount of determinism can prevent him from believing that he acts as a free being.