“What is your idea of earthly happiness? To be vindicated in my own lifetime.”

“Scientists have an expression for hypotheses that are utterly useless even for learning from mistakes. They refer to them as being "not even wrong." Most so-called spiritual discourse is of this type.”

“What do you most value in your friends?Their continued existence.”

“About once or twice every month I engage in public debates with those whose pressing need it is to woo and to win the approval of supernatural beings. Very often, when I give my view that there is ...”

“It is exactly the fear of revenge that motivates the deepest crimes, from the killing of the enemy's children lest they grow up to play their own part, to the erasure of the enemy's graveyards and ...”

“It's probably a merciful thing that pain is impossible to describe from memory”

“If you've got the truth you can demonstrate it. Talking doesn't prove it.”

“In all debates, let truth be thy aim, not victory, or an unjust interest.”

“Get what you can with words, because words are free, but the words of an armed man ring that much sweeter.”

“We cannot achieve personal enlightenment a clarification of our souls until we cease deluding ourselves. We must accept that life includes witnessing and personally experiencing pain.”

“All are lunatics, but he who can analyze his delusion is called a philosopher.”

“Knowledge is responsibility, which is why people resist knowledge.”