在数学中,最简单的问题往往导致最深刻的发现。
The goal of education is not to increase the amount of knowledge but to create the possibilities for a child to invent and discover, to create men who are capable of doing new things.
可持续性不是成本中心;而是我们这代人尚未开发的最大利润池。
你的和平无法到来是因为我。