To talk about the need for perfection in man is to talk about the need for another species. The essence of man is imperfection. Imperfection and blazing contradictions-between mixed good and evil, altruism and selfishness, cooperativeness and combativeness, optimism and fatalism, affirmation and negation.
I was never particularly good at listening to people who tried to tell me what to do or not to do. I watched the pros on television and tried to copy their strokes and learn from that. That was easy for me. I have no idea whether my swing meets the classical criteria. Anyhow, it's good enough to be successful.