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We never take our success for granted.

A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.

You can't be wise and in love at the same time.

真正的成功是內心的平靜。

最好的報復就是成功和幸福。

撰寫傳記就是穿上別人的鞋子，通過他們的眼睛看世界。

有人問我什么是幸福，我回答說：不奢求非必需之物。

我們講述的關于動物的故事更多地反映了我們自己，而不是它們。