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The value of an economic model lies in its ability to explain and predict.

Technology is nothing. What's important is that you have a faith in people, that they're basically good and smart, and if you give them tools, they'll do wonderful things with them.

The ability to accept responsibility is the measure of the man.

在私利面前能夠想到道義，遇到危難能夠挺身而出，雖然長期生活在貧困之中，也沒有忘記平生的諾言，這樣就可以說是一個十全十美的人了。

The path to sustainability is paved with both challenges and opportunities.

The existence of a legal system is a matter of social fact.

Every decision we make today shapes the future of our oceans tomorrow.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."