1. Never say die.永不言败。 2.No cross, no crown.不经历风雨，怎么见彩虹。 3.New wine in old bottles.旧瓶装新酒。 4.Never too old to learn, never too late to turn.亡羊补牢，为时未晚。 5.No garden without its weeds.没有不长草的园子。 6.No living man all things can.世上没有万事通。