I would never hurt you，Jenny.

没有用户思维的技术创新都是自嗨。

The world is a book, and those who do not travel read only one page.

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.

我们不试图预测未来；我们只是试图买入便宜的东西。