人性本善，社会使其败坏。
Man is good by nature， society corrupts him.
The world is full of people who will help you manufacture tornados so you can later claim to have survived them.
追求幸福是一种徒劳的努力；真正的满足在于接受。
The challenge in theoretical computer science is not just to solve problems, but to understand the nature of problem-solving itself.