In compassionate men, severity is a virtue.

So far there has been no philosopher in whose hands philosophy has not grown into an apology for knowledge; on this point, at least, every one is an optimist, that the greatest usefulness must be ascribed to knowledge. They are all tyrannized over by logic, and this is optimism in its essence.

It is not when truth is dirty, but when it is shallow, that the lover of knowledge is reluctant to step into its waters.

I am a forest, and a night of dark trees: but he who is not afraid of my darkness, will find banks full of roses under my cypresses.

This mother needs happy, reputable children, and that one needs unhappy ones: otherwise she cannot show her kindness as a mother.

I hate you most because you attract, but are not strong enough to pull me to you.

All truth is simple... is that not doubly a lie?