我在你们这个年龄，最害怕的不是贫穷，而是失败。

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

Mathematics is the key to unlocking the secrets of the universe and understanding the fundamental laws that govern it.

The context is so important. The context is not just the physical context, but also the historical and cultural context.

安全和隐私是用户对互联网信任的基础。

"It is easier to imagine the end of the world than the end of capitalism."