世界
The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.
In the actual world， a very great deal of the evil that is done does not spring from evil motives.
The soul is like an uninhabited world that comes to life only when God lays His head against us.
Education is the most powerful weapon which you can use to change the world.