After an error you need not only to remove the causes but also to correct the error itself: after a sin you must not only, if possible, remove the temptation, you must also go back and repent the sin itself. In each case an 'undoing' is required.
C. S. LewisThe problem of reconciling human suffering with the existence of a God who loves, is only insoluble so long as we attach a trivial meaning to the word "love."
C. S. LewisDevils are depicted with bats' wings and good angels with birds' wings, not because anyone holds that moral deterioration would be likely to turn feathers into membrane, but because most men like birds better than bats.
C. S. Lewis