我不让恐惧阻止我，我让它推动我。

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 think of a hero as someone who understands the degree of responsibility that comes with his freedom.

"To read is to travel without moving, to explore without leaving home."

The choices we make today will shape the world of tomorrow.