可持续性不是一种趋势,而是我们对后代的责任。
当没有人相信你时,你必须相信自己——这会让你成为赢家。
道是神奇非凡的存在,灵妙而有本性,虚无而没有形象,无法预测其来去,也无法追寻其踪迹,不知其所以然而自然如此。
The advancement of mathematics is due to those who are driven not by the desire for application but by the joy of discovery.
You are stronger than you think.