“I hope that I may die before my mind fails to a sensible extent.”

“Man in his arrogance thinks himself a great work worthy the interposition of a deity. More humble, and I believe truer, to consider him created from animals.”

“I love fools' experiments. I am always making them.”

“How odd it is that anyone should not see that all observation must be for or against some view if it is to be of any service!”

“What a book a Devil's chaplain might write on the clumsy, wasteful, blundering, low, and horridly cruel works of nature!”

“Though the theory is worthless without the well-observed facts, the facts are useless without the frame of the theory to receive them.”

“There is a higher court than courts of justice and that is the court of conscience. It supersedes all other courts.”

“Nonviolence is the first article of my faith. It is also the last article of my creed.”

“There are many causes that I am prepared to die for but no causes that I am prepared to kill for.”

“For the world is in a bad state, but everything will become still worse unless each of us does his best. So, let us be alert — alert in a twofold sense: Since Auschwitz we know what man is capable of. And since Hiroshima we know what is at stake.”

“If there is a meaning in life at all, then there must be a meaning in suffering. Suffering is an ineradicable part of life, even as fate and death.”

“Ultimately, man should not ask what the meaning of his life is, but rather must recognize that it is he who is asked. In a word, each man is questioned by life; and he can only answer to life by answering for his own life; to life he can only respond by being responsible.”