Of all God's creatures, there is only one that cannot be made slave of the leash. That one is the cat. If man could be crossed with the cat it would … - Mark Twain

If man could be crossed with a cat, it would improve man but deteriorate the cat.

Man is the only animal that deals in that atrocity of atrocities War. He is the only one that gathers his brethren about him and goes forth in cold blood and calm pulse to exterminate his kind. He is the only animal that for sordid wages will march out... and help to slaughter strangers of his own species who have done him no harm and with whom he has no quarrel.... And in the intervals between campaigns he washes the blood off his hands and works for the universal brotherhood of man with his mouth.

If you want me to give you a two-hour presentation, I am ready today. If you want only a five-minute speech, it will take me two weeks to prepare.

I wanted to damage every man in the place, and every woman--and not in their bodies or in their estate, but in their vanity--the place where feeble and foolish people are most vulnerable. So I disguised myself and came back and studied you. You were easy game. You had an old and lofty reputation for honesty, and naturally you were proud of it — it was your treasure of treasures, the very apple of your eye. As soon as I found out that you carefully and vigilantly kept yourselves and your children out of temptation, I knew how to proceed. Why, you simple creatures, the weakest of all weak things is a virtue which has not been tested in the fire.