除非一个人在作画前脑海中已有画面，否则他称不上艺术家。
No one is an artist unless he carries his picture in his head before painting it.
"In the act of writing, we confront our deepest fears and desires."
成功源于专注于解决方案，而不是纠结于问题。
计算机科学成功的关键不仅在于编写代码，还在于理解使其工作的基本原理和理论。