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

When we damage our woodlands, we're not losing trees—we're erasing chapters of Earth's story.

【译文】 孔子说：“君子坦荡而不骄狂，小人骄狂而不坦荡。”

如果你不前进，你就在落后。

The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.