No cross, no crown.不经历风雨，怎么见彩虹。 All things are difficult before they are easy.万事开头难。 Never too old to learn, never too late to turn.亡羊补牢，为时未晚。 You′re never a loser until you quit trying.在停止尝试之前，你永远不是失败者。 Genius only means hard-working all one’s life...
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