He who treats his friends and enemies alike, has neither love nor justice.

As long as a man lives he should study. Death alone has the right to dismiss the school.

I would rather that we all should go to eternal chaos, to black and starless night, than that just one soul should suffer eternal agony.

Argument cannot be answered with insults. Kindness is strength; anger blows out the lamp of the mind.

Injustice upon earth renders the justice of of heaven impossible.

All of the Ten Commandments that are good were old; all that were new art foolish. If Jehovah had been civilized he would have left out the commandment about keeping the Sabbath, and in its place would have said: "Thou shalt not enslave thy fellow-men." He would have omitted the one about swearing, and said: "The man shall have but one wife, and the woman but one husband." He would have left out the one about graven images, and in its stead would have said: "Thou shalt not wage wars of extermination, and thou shalt not unsheathe the sword except in self-defence.

He who commends the brutalities of the past, sows the seeds of future crimes.