优秀的设计在于解决问题，而不仅仅是让事物看起来美观。

思想，在理解和想象的程度上，都是被动的。

We are what we repeatedly do. Excellence, then, is not an act but a habit.

The pursuit of mathematical truth is a pursuit of beauty, elegance, and simplicity.

数据是新时代的石油，但比石油更难管控。