Investors should focus on what they can control: costs, diversification, and time horizon.

Sustainability isn't just a buzzword—it's the foundation of responsible forestry.

Problem-solving often requires restructuring one's mental representation of the situation.

Writing is a way of questioning the world, of trying to understand it.

别相信你听到的任何事情，看到的也只信一半。

一个问题如果在计算机上可以快速解决，那么它属于P类问题；如果一个解可以快速验证，那么它属于NP类问题。