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.

当准备遇到机会时，成功就会到来。

我不在乎钱。我只想做音乐。

"The power of a story is in its ability to inspire forgiveness."

Technology will revolutionize how we harvest from the sea, but wisdom must guide its use.

拓扑绝缘体的美在于它们的鲁棒性；它们的表面态受到保护，不受无序和缺陷的影响。