心灵总是在忙于让生活运转。
The mind is always in the business of making life work.
世界充满了故事,但所有的故事其实都是同一个。
如果你想在数学上取得进步,你必须习惯于不舒服。
生命太短暂,不能浪费在无关紧要的事情上。
Change your life today. Don't gamble on the future, act now, without delay.