"The truth is rarely pure and never simple."

翻译：强调智慧和志向在洞察事物运动和器物原理方面的重要性。

感谢那些曾经看轻我的人，是你们让我更加努力。

Simplicity is not the goal. It is the by-product of a good idea.

对付一个不自由的世界的唯一方法，就是变得如此绝对自由，以至于你的存在本身就是一种反抗。

The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.