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及時采擷你的花蕾，舊時光一去不回，今天尚在微笑的花朵，明日便在風中枯萎。

To write is to fight against silence and forgetting.

當隨機化不可行時，匹配方法可以是一個強大的工具。

So, I went through life constantly practicing this model of disciplinary approach. Well, I can’t tell you what that’s done for me. It’s made life more fun. It’s made me more constructive. It’s made me more helpful to others. It’s made me enormously rich.

領導力意味著為了更美好的明天而在今天做出艱難的決定。

數學是理性的音樂。

夏天的飛鳥，飛到我窗前唱歌，又飛去了。秋天的黃葉，他們沒有什麼可唱的，只是嘆息一聲，飛落在那里。

Failure is not terrible, what is terrible is not daring to try.