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The documenta must always remain a question, never an answer.

The most dangerous creation of any society is the man who has nothing to lose.

You can't change the past, but you can ruin the present by worrying about the future.

時間可以吞噬一切，但它絲毫不能減少的是你偉大的思想，你的幽默，你的善良，還有你的勇氣。

領導力在于激勵他人在看到障礙的地方看到可能性。

The key to success is to keep trying, even when things don't work out the first time.