You cannot climb uphill by thinking downhill thoughts. If your world is gloomy and hopeless ,it is because you are gloomy and hopeless. You must change your mind to change your world.

• 抱着下山的想法去爬山，你永远都不能爬到山顶。如果你的世界沉闷而无望，那是因为你本身沉闷而无望。要想改变你的世界，首先改变你的心态。