Without justice, courage is weak.

The impact of computer science on society is profound and far-reaching.

Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.

The world needs sustainable solutions, not just temporary fixes.

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.

电影不仅仅是娱乐；它是一种理解世界和我们自己的方式。