It has always been a peculiarity of the human race that it keeps two sets of morals in stock-the private and the real, and the public and the artificial.
Mark TwainMany public-school children seem to know only two dates—1492 and 4th of July; and as a rule they don't know what happened on either occasion.
Mark TwainIf you shamefully misuse a cat once she will always maintain a dignified reserve toward you afterward. You will never get her full confidence again.
Mark TwainEverything human is pathetic. The secret source of humor itself is not joy but sorrow. There is no humor in heaven.
Mark Twain