数学中最深刻的思想往往源于最简单的观察。
The most profound ideas in mathematics often arise from the simplest observations.
To live is the rarest thing in the world. Most people exist, that is all.
可持续性不是一种趋势，而是我们对后代的责任。
快乐的童年会持续一生。
只要现在能够停下来休息，那么就立刻停下来休息；如果要等到一切事情都办妥时再停下来，那么这样的时刻永远也不可能等到。
Writing is a way of life, a way of understanding the world and of understanding ourselves.