You have to keep thinking about what you can do to make the world a better place.
你必须不断思考你能做些什么来让世界变得更美好。
Immigration has a much smaller effect on native wages than most people believe.
真相很少是纯粹的，也从不简单。
The writer’s job is to disturb the peace.
The world is a stage, but the play is badly cast.