计算机科学中真正的挑战不是编写程序,而是理解计算的本质。
The real challenge in computer science is not to write programs, but to understand the nature of computation.
没有人写作、绘画、雕塑、建模、建造或发明,除非是为了真正地逃离地狱。
Fear is a powerful motivator, but it's also a liar.