You are never too old to learn.活到老学到老。The first step is the hardest.万事开头难。where there is a will there is a way有志者事竟成。Nothing in life is to be feared. It is only to be understood.生活中没有可怕的东西，只有需要理解的东西。Chiefly the mold of a man's fortune is in his own hands.一个人的命运主要由他自己塑造。