(Conviction) is possible only in a world more primitive than ours can be perceived to be. A man can achieve a simply gnomic conviction only by ignoring the radical describers of his environment, or by hating them, as convinced men have hated, say, Darwin and Freud, as agents of some devil.
If a man means his writing seriously, he must mean to write well. But how can he write well until he learns to see what he has written badly. His progress toward good writing and his recognition of bad writing are bound to unfold at something like the same rate.