If children were brought into the world by an act of pure reason alone, would the human race continue to exist? Would not a man rather have so much sympathy with the coming generation as to spare it the burden of existence, or at any rate not take it upon himself to impose that burden upon it in cold blood?

The eternal being..., as it lives in us, also lives in every animal.

For the purpose of acquiring gain, everything else is pushed aside or thrown overboard, for example, as is philosophy by the professors of philosophy.

Just as the largest library, badly arranged, is not so useful as a very moderate one that is well arranged, so the greatest amount of knowledge, if not elaborated by our own thoughts, is worth much less than a far smaller volume that has been abundantly and repeatedly thought over.

Any book, which is at all important, should be reread immediately

Honor means that a man is not exceptional; fame, that he is. Fame is something which must be won; honor, only something which must not be lost.

Patriotism is the passion of fools and the most foolish of passions.