Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
數(shù)學(xué)不是關(guān)于數(shù)字、方程、計(jì)算或算法的:它是關(guān)于理解的。
——《在山西實(shí)業(yè)界學(xué)界及各黨派歡迎會(huì)的演說(shuō)》(1912年9月20日)
It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.
I'm only rich because I know when I'm wrong... I basically have survived by recognizing my mistakes.
我一直覺得自己是個(gè)外國(guó)人,即使在自己的國(guó)家也是如此。
Sustainability is not enough—we need regeneration.