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.
I don't regret my past; I just regret the time I wasted on the wrong people.
最好的读者是阅读自己作品的作家。
I don't run from my past, I just don't bring it with me.
The greatest sweetener of human life is Friendship. To raise this to the highest pitch of enjoyment, is a secret which but few discover.