Maybe this will make it easier:
Obert says “just as murder seems wrong”. There is a redundancy in that phrase. What is the redundancy, and why doesn’t Obert perceive it as one?
What is the difference between saying something is a rube and not a blegg, and saying that someone appears to be a rube and not a blegg?
What is the difference between saying something is imperceivable, and saying something appears to be imperceivable?