Do not speak of repulsive matters at table.
Philosophy is a battle against the bewitchment of our intelligence by means of language.
I can remember when the air was clean and sex was dirty.
The only way to get rid of a temptation is to yield to it.
In the end, we will remember not the words of our enemies, but the silence of our friends.
Cogito ergo sum. (I think; therefore I am.)
Each problem that I solved became a rule which served afterwards to solve other problems.
Not everything that can be counted counts, and not everything that counts can be counted.