自然界的现象，无论是机械的、化学的还是生命的，几乎完全在于通过空间、活力和热之间的持续相互转化。

The first prerequisite of a sound foreign policy is a clear understanding of one's own values.

实现明天的唯一限制将是我们今天的疑虑。

Spend as much time crafting the subject line of an email as the message itself because the subject line is often the only thing people read.

"The challenge in AI is not just to build systems that can perform tasks, but to build systems that can learn to perform tasks."

Strengthen international cooperation to promote the improvement of technology and management in the coal industry.

The most beautiful thing in mathematics is the simplicity of the ideas behind the complexity.