Sometimes the simplest questions lead to the deepest theories.

文章贵在简洁，简洁则明了；贵在疏朗，疏朗则通畅；贵在深远，深远则持久。

The true investor scarcely ever is forced to sell his shares, and at all other times he is free to disregard the current price quotation.

人工智能的关键在于知识的表征。

I don’t do features, I do favors.

The arithmetic of L-functions is a window into the soul of number theory.

"I hope that in this year to come, you make mistakes. Because if you are making mistakes, then you are making new things, trying new things, learning, living, pushing yourself, changing yourself, changing your world. You're doing things you've never done before, and more importantly, you're doing something."

The main thing is to keep the main thing the main thing.