The essence of mathematics lies in its freedom.

You can be the ripest, juiciest peach in the world, and there's still going to be somebody who hates peaches.

The development of AI requires open cooperation, not working behind closed doors.

中国哲学的研究既需要历史的敏感，也需要哲学的严谨。

"I love to make people laugh, especially kids."

一本书永远是通往另一个世界的敞开之门。

The core of Pinduoduo is "group buying," allowing users to participate in shopping through social means.

"世界是一面镜子，而镜子是一个谎言。"

The poet is a liar who always speaks the truth.