We shouldn't teach great books we should teach a love of reading. Knowing the contents of a few works of literature is a trivial achievement. Being inclined to go on reading is a great achievement.
I would have been glad to agree to let them all proceed henceforth in complete ignorance of psychology, if they would forget my opinion of chocolate sodas or the story of the amusing episode on a Span...
Education is what survives when what has been learnt has been forgotten.
...not everyone is willing to defend a position of 'not knowing.' There is no virtue in ignorance for its own sake.