The professionals resemble and recognize each other by virtue of the stigmata that their trade has left upon them. They are like the dog in the fable, whose collar has made an indelible mark around his neck. The amateur is the shaggy wolf whom no dog had better trust too far.
Jacques BarzunIf civilization has risen from the Stone Age, it can rise again from the Wastepaper Age.
Jacques BarzunThe reason teaching has to go on is that children are not born human; they are made so.
Jacques Barzun