„If at Last You Do Succeed, Never Try Again.“

— Robert A. Heinlein
„Do the one thing you think you cannot do. Fail at it. Try again. Do better the second time. The only people who never tumble are those who never mount the high wire.“
— Oprah Winfrey
„If you try to fail, and succeed, which have you done?“
— George Carlin
„Never, never tell them. Try and remember that. Never tell anyone anything ever. Never tell anyone anything again.“
— Ernest Hemingway
„They parted at last with mutual civility, and possibly a mutual desire of never meeting again.“
— Jane Austen