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.
"Doubt is useful for a while. We must all pass through the garden of Gethsemane. If Christ played with doubt, so must we."
Immature love says: 'I love you because I need you.' Mature love says: 'I need you because I love you.'
我在床上开始了一场革命