里氏替换原则是面向对象编程中的一个基本概念,确保派生类可以替代其基类使用,而不会改变程序的正确性。
To love someone is to know how to lose them.
The task of the writer is to make the familiar strange and the strange familiar.
每个角色都应该想要点什么,哪怕只是一杯水。
历史既没有地球的古老,也没有孩子的纯真;它始终是人类激情与错误的产物。
The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.