在能源领域，合作是解决世界上最紧迫挑战的关键。

The most sustainable quarry is the one that balances production with environmental stewardship.

现代政治的巨大挑战是将身份认同的要求与自由民主的要求相调和。

Living is like tearing through a museum. Not until later do you really start absorbing what you saw, thinking about it, looking it up in a book, and remembering - because you can’t take it in all at once.

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