There are dark shadows on the earth, but its lights are stronger in the contrast.

事实是，在适当的情况下，我们都有能力做出极大的恶行。

We must work collaboratively with governments, industries, and communities to find sustainable energy solutions.

The world is a book, and those who do not travel read only one page.

卓越不是一种行为，而是一种习惯。

Ideas are everywhere, but knowledge is rare.