幸福不是在外面等着我们去寻找。它不在外面的原因是因为它在我们的内心。
The truth is that in America, the Jew is a figment of the Christian imagination.
Investing in cleaner coal technologies is investing in our planet's future.
The decay of political institutions is often a result of the inability to adapt to changing circumstances, leading to rigidity and eventual decline.
梦想还是要有的，万一实现了呢？
The essence of mathematics lies in its freedom.
最终，我们都必须面对自己行为的后果，无论我们多么努力地避免它们。
What you do makes a difference, and you have to decide what kind of difference you want to make.