Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

我不是一个回头看的人，我总是向前看。

The truth is often uncomfortable, but necessary.

Human activities have become a significant force shaping Earth's climate.

父母死气沉沉的生活对周围人特别是自己孩子的影响，是无与伦比的。