每个数学问题都有一个解决方案；这只是找到正确视角的问题。

The longer I live the more I see that I am never wrong about anything, and that all the pains I have so humbly taken to verify my notions have only wasted my time.

成人必须给幼儿提供活动的空间。

一个人首先是物质的东西，容易撕裂，不容易修补。

写作就是抵抗历史的抹去。