A little poison now and then: that makes for pleasant dreams. And a lot of poison at the end, for a pleasant death.

In the last analysis, even the best man is evil: in the last analysis, even the best woman is bad.

At the beginning of a marriage ask yourself whether this woman will be interesting to talk to from now until old age. Everything else in marriage is transitory: most of the time is spent in conversation.

Our knowledge will take its revenge on us, just as ignorance exacted its revenge during the Middle Ages.

The snake which cannot cast its skin has to die. As well the minds which are prevented from changing their opinions; they cease to be mind.

Sharp and mild, dull and keen, well known and strange, dirty and clean, where both the fool and wise are seen: All this am I, have ever been, - in me dove, snake and swine convene!

I am the leading strings of the ego and the prompter of its concepts.