Honesty: The best of all the lost arts.

He said that man’s heart was the only bad heart in the animal kingdom; that man was the only animal capable of feeling malice, envy, vindictiveness, revengefulness, hatred, selfishness, the only animal that loves drunkenness, almost the only animal that could endure personal uncleanliness and a filthy habitation, the sole animal in whom was fully developed the base instinct called patriotism, the sole animal that robs, persecutes, oppresses and kills members of his own tribe, the sole animal that steals and enslaves the members of any tribe.

Never do wrong when people are looking.

... No photograph ever was good, yet, of anybody - hunger and thirst and utter wretchedness overtake the outlaw who invented it! It transforms into desperadoes the weakest of men; depicts sinless innocence upon the pictured faces of ruffians; gives the wise man the stupid leer of a fool, and the fool an expression of more than earthly wisdom.

You can't throw too much style into a miracle.

That optimist of yours is always ready to turn hell's backyard into a play-ground.

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