译文：立志别挑简单的目标，做事别躲困难的任务。

世界因你的榜样而改变，而不是因你的观点而改变。

I don't want to be famous, I want to be great.

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

数据抽象是将特定数据集简化为整体的简化表示。