In times of uncertainty, clarity of purpose becomes even more critical.

现在我们稍更详细地讨论生存斗争。

The Internet is a great equalizer, but it also has the potential to exacerbate inequalities.

The important thing in science is not so much to obtain new facts as to discover new ways of thinking about them.

心灵不是一块白板，而是一个不断适应和重组自身的动态系统。