Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.
生活是由故事组成的,我们每个人都是自己故事的作者。
Functions delay binding; data structures induce binding. Moral: Structure data late in the programming process.
You can't just sit there and wait for people to give you that golden dream. You've got to get out there and make it happen for yourself.