Sermons on Several Occasions Sermon 88 (1788). The Oxford Dictionary of Proverbs notes, "Next in this proverb means 'immediately following,' as in serial order." The ODP refers to a passage in Francis Bacon, Advancement of Learning (1605), reading, "Cleannesse of bodie was euer esteemed to proceed from a due reverence to God."
George Bernard Shaw (2015). “George Bernard Shaw: Collected Articles, Lectures, Essays and Letters: Thoughts and Studies from the Renowned Dramaturge and Author of Mrs. Warren’s Profession, Pygmalion, Arms and The Man, Saint Joan, Caesar and Cleopatra, Androcles And The Lion”, p.309, e-artnow