"The chess-board is the world, the pieces are the phenomena of the universe, the rules of the game are what we call the laws of Nature. The player on the other side is hidden from us."

"I do not say think as I think, but think in my way. Fear no shadows, least of all in that great spectre of personal unhappiness which binds half the world to orthodoxy."

"I protest that if some great Power would agree to make me always think what is true and do what is right, on condition of being turned into a sort of clock and would up every morning before I got out of bed, I should instantly close with the offer."

"I take it that the good of mankind means the attainment, by every man, of all the happiness which he can enjoy without diminishing the happiness of his fellow men."

"If you do not wish a man to do a thing, you had better get him to talk about it for the more men talk, the more likely they are to do nothing else."

"You didn't have a choice about the parents you inherited, but you do have a choice about the kind of parent you will be."

"To question with sincerity is the first step toward dismantling dogma. Remember this in moments of decisive trial."

"A commitment to human rights cannot be fostered simply through the transmission of knowledge. Action and experience play a crucial role in the learning process."