"Friendship is unnecessary, like philosophy, like art. It has no survival value; rather it is one of those things which give value to survival."

"You cannot solve a problem until you acknowledge that you have one and accept responsibility for solving it."

"Parting is such sweet sorrow that I shall say goodnight till it be morrow."

"The discovery of what is true and the practice of that which is good are the two most important aims of philosophy."

"Is politics nothing other than the art of deliberately lying?"

"I have chosen to be happy because it is good for my health."