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.

Always keep your knife sharp, your wits sharper, and your spirit sharpest.

生活是一段旅程，而不是一个目的地。

解析：不要窃取他人的成果，不要忘记自己的耻辱。

I'm not a rapper, I'm a poet with a gangsta twist.

"Life is really simple, but we insist on making it complicated."

Creativity is allowing yourself to make mistakes. Art is knowing which ones to keep.