On Commitment:

“If you think succeeding at trading is easy, you are out of your mind. Unless you are fully committed to this game, you will lose. Commitment doesn’t mean studying the markets when you feel up to it or when you find the time. It means studying them seven days a week.”

— Laurence A. Connors & Blake E. Hayward, from Investment Secrets of a Hedge Fund Manager (1995, Irwin Professional Publishing, Chicago)