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如果你在那些你不应该沉默的时刻保持沉默,那么拥有声音的意义何在?
There is one small step for man, a giant leap for mankind.
Research is not just about answering questions but also about asking the right ones.
Today is cruel, tomorrow is crueler, and the day after tomorrow is beautiful, but most people die tomorrow night, so don't give up today.
自然是最伟大的艺术家。