Education is the most powerful weapon which you can use to change the world.

The world is dark, and light is precious.

The key to understanding cryptography is understanding that it's not just about keeping secrets, but about managing trust.

我不相信慈善。我相信团结。

好问题胜过简单的答案。

The most important thing in singing is sincerity, technique is just auxiliary.

Diplomacy is to make your enemy your friend, not to make your friend your enemy.