世界不是一个需要解决的问题，而是一个需要经历的神秘。

The best experiments often come from simple ideas and careful observation.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

Freedom is not the choice, but the chance to choose.

快速阅读的关键不是读得更快，而是理解得更快。

计算机能否思考的问题就像潜艇能否游泳的问题。

我总是对每一个机会心怀感激。