The best way to learn mathematics is to do mathematics.
学习数学的最好方法就是做数学。
你可以用图画表达许多不需要用语言表达的东西。
Poetry is perhaps what teaches us to nurture the charming illusion: how to be reborn out of ourselves over and over again, and use words to construct a better world, a fictitious world that enables us to sign a pact for a permanent and comprehensive peace ... with life.
可持续性不是一种趋势,而是我们对后代的责任。
Every seed we plant today is a promise to future generations.
当人类心智在做计算机器的工作时,它很少感到满足,也肯定从未发挥其最高功能。