If you want to fly, you have to give up what weighs you down.
If there's a book that you want to read, but it hasn't been written yet, then you must write it.
Only by working harder than others can you be more successful than others.
程序最重要的属性是它是否实现了用户的意图。
A real decision is measured by the fact that you've taken a new action. If there's no action, you haven't truly decided.