"I think children are naturally curious and open to new ideas, and that's something I try to capture in my books."

Douyin's success proves that algorithmic recommendations and manual operations can be perfectly combined.

真相并不美丽，但它是必要的。

我不是疯了，我只是有创造性的疯狂。

The interplay between analysis and algebra is the driving force behind many breakthroughs in number theory.