The man who has ceased to learn ought not to be allowed to wander around loose in these dangerous days.

Related:

• He who can will. He who can't, will teach. --
  M. M....
• It is the person who is blind to what goes on around him that is most surprised when the same things happen to him.
  -- M....
• If a student has to study, he will claim that the course is unfair.
  M. M....
• Slightly deaf students will have instructors who mumble.
  M. M....
• No one is fit to be trusted with power. ... No one.
  Any man who has lived at all knows the follies and...
• An adult is one who has ceased to grow vertically but
  not horizontally...
• If you think the United States has stood still, who built the largest shopping center in the world?
  Richard M....