预测你未来的最好方法就是创造它。

There is no point treating a depressed person as though she were just feeling sad, saying, 'There now, hang on, you'll get over it.' Sadness is more or less like a head cold- with patience, it passes. Depression is like cancer.

数学不是关于数字、方程、计算或算法的：它是关于理解的。

失去某人，最糟糕的莫过于，他近在身旁，却犹如远在天边。