Teachers Know Best

"Believe nothing, no matter where you read it or who has said it, not even if I have said it, unless it agrees with your own reason and your own common sense."

Have you ever wondered why lecturers will always remind you, and remind again, that he is happy to stand corrected and that your ideas, comments, criticisms and/or opinions are welcomed, and then they go into great lengths to prove that you are wrong, and that he is right?

Dorogh-goy, I say ("liars" in Farsi/Persian). Dorogh-goy.