"The only way to get rid of a temptation is to yield to it."

"Free thought has always been a perquisite of aristocracy."

"Religion is based primarily upon fear. It is partly the terror of the unknown and partly as the wish to feel that you have a kind of elder brother who will stand by you in all your troubles and disput…"

"I feel I shall find the truth on my deathbed and be surrounded by people too stupid to understand—fussing about medicines instead of searching for wisdom."

"The time you enjoy wasting is not wasted time."