The conversation about coal must move beyond 'pro' or 'anti'—we need solutions, not slogans.

The world is a book, and those who do not travel read only one page.

The city is a great artifact, the supreme work of human civilization.

在网球中，就像在生活中一样，你必须不断前进——一次一分。

数学的真正力量在于它能够简化复杂的事物，并揭示宇宙的潜在模式。