“Despair is the price one pays for self-awareness. Look deeply into life, and you'll always find despair.”

“It is wrong to bear children out of need, wrong to use a child to alleviate loneliness, wrong to provide purpose in life by reproducing another copy of oneself. It is wrong also to seek immortality...”

“The spirit of a man is constructed out of his choices.”

“Life is a spark between two identical voids, the darkness before birth and the one after death.”

“Marriage and its entourage of possession and jealousy enslave the spirit.”

“The freedom of an unscheduled afternoon brought confusion rather than joy. Julius had always been focused. When he was not seeing patients, other important projects and activities-writing, teaching...”

“You cannot teach a man anything, you can only help him find it within himself.”

“It is easier to write a book with footnotes than the same book written so that children can understand it.”

“I never teach my pupils, I only attempt to provide the conditions in which they can learn.”