Work consists of whatever a body is obliged to do. Play consists of whatever a body is not obliged to do.

A religion that comes of thought, and study, and deliberate conviction, sticks best. The revivalized convert who is scared in the direction of heaven because he sees hell yawn suddenly behind him, not only regains confidence when his scare is over, but is ashamed of himself for being scared, and often becomes more hopelessly and malignantly wicked than he was before.

Cats are the wildest of the tame and the tamest of the wild

Morals consist of political morals, commercial morals, ecclesiastical morals, and morals.

I would much prefer to suffer from the clean incision of an honest lancet than from a sweetened poison.

I have achieved my seventy years in the usual way: by sticking strictly to a scheme of life which would kill anybody else... I will offer here, as a sound maxim, this: That we can't reach old age by another man's road.

Tight pants are just uncomfortable.