要真正理解现实的本质，首先必须接受人类感知的局限性。
To truly grasp the nature of reality, one must first accept the limitations of human perception.
Abstraction is the key to managing complexity in software systems.
关爱别人因而得福的人有，而憎恶别人残害别人因而得祸的人也有啊！
知识是灵魂的粮食。