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The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

我不認為自己是個超級巨星，我只是一個熱愛網球的普通人。

成功不是終點，失敗也不是致命的，重要的是繼續前進的勇氣。

The best investment you can make is in yourself.