计算机编程是一门艺术，因为它将积累的知识应用于世界，因为它需要技能和创造力，特别是因为它产生了美的对象。
Computer programming is an art, because it applies accumulated knowledge to the world, because it requires skill and ingenuity, and especially because it produces objects of beauty.
We change our behavior when the pain of staying the same becomes greater than the pain of changing. Consequences give us the pain that motivates us to change.