The search for a theory of everything is one of the most exciting and challenging quests in modern physics.

Sustainability isn't an option—it's a responsibility we owe to the next generation.

在一个国家中，一个公民的自由是对另一个公民自由的威胁。

没有循环和结构化变量的程序不值得编写。

社会的幸福是政府的最终目的。

我总是努力专注于当下。