We are more curious about the meaning of dreams than about things we see when awake.
Why not whip the teacher when the pupil misbehaves?
The question was put to him, what hope is; and his answer was, "The dream of a waking man."
Democritus says, "But we know nothing really; for truth lies deep down".
To become self-educated you should condemn yourself for all those things that you would criticize others.
As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task.