The process of finding the truth may not be a process by which we feel increasingly better and better. It may be a process by which we look at things honestly, sincerely, truthfully, and that may or may not be an easy thing to do.
In music I do not look for logic. I am quite intuitive on the whole and know no theories. I never like a work if I cannot intuitively grasp its inner unity (architecture).
In Bach there is still too much crude Christianity, crude Germanism, crude scholasticism; he stands on the threshold of European (modern) music, but he looks back from there to the Middle Ages.