凡事天下要考察有无的原则,必定是以众人的耳目所见所闻的实情以知有与无来作为标准的。

你知道得越多，就越意识到你不知道的越多。

投资土壤健康就是投资子孙后代的健康。

"If liberty means anything at all, it means the right to tell people what they do not want to hear."

我一生只想要一件事 - 快乐。

I do not wish them [women] to have power over men; but over themselves.

做数学就是参与发现与猜想、直觉与灵感的过程。