BetterlatethanneverAfriendinneedisafriendindeed.患难见真情。Knowledgeispower.知识就是力量。Wherethereisawill,thereisaway.有志者事竟成。Failureisthemotherofsuccess.-ThomasPaine失败乃成功之母。Theunexaminedlifeisnotworthliving