学会怎么打称人结（又叫“撑人结”，不会越拉越小的结）。而且要摸黑练习、单手练习。在今后的日子里，你根本想不到它有多有用。
Learn how to tie a bowline knot. Practice in the dark. With one hand. For the rest of your life you’ll use this knot more times than you would ever believe.
恩泽中可能潜藏祸患，所以得意时要能尽早回头；失败后反而能够成功，因此失意时千万不要气馁。
Every line I draw is a moral decision.