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True progress happens when we balance economic growth with environmental stewardship.

All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.

"I am learning to run through the rain and not wait for the storm to pass."

最強大的生態系統是那些具有多樣性的生態系統。

The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.

在自然狀態下，利益是權利的尺度。

最重要的是嘗試激勵人們，讓他們在自己想做的事情上變得偉大。

國際政治是一個殘酷而無情的舞臺，各國不斷努力最大化自己的權力和安全。

做數學就是與宇宙對話，尋找我們甚至可能還不知道如何提出的問題的答案。

It always seems impossible until it's done.

It looks like a solitary sport, but it's a team.