There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. We give them a turn and they make new and curious combinations. We keep on turning and making new combinations indefinitely; but they are the same old pieces of colored glass that have been in use through all the ages.
Mark TwainIt's my opinion that every one I know has morals, though I wouldn't like to ask. I know I have. But I'd rather teach them than practice them any day. "Give them to others"-that's my motto.
Mark TwainTwo things seemed pretty apparent to me. One was that in order to be a pilot a man had to learn more than any one man ought to learn; and the other was that he must learn it all over again in a different way every 24 hours.
Mark Twain