Blessed is he who expects nothing for he shall never be disappointed.
Source, in full
letter to John Gay (October 6, 1727), in Lewis Melville, Life and Letters of John Gay (London: Daniel O'Connor, 1921), p. 71. Called by Pope and Gay "The Eighth Beatitude." Bishop Heber refers to it as "Swift's Eighth Beatitude." Also called "The Ninth Beatitude".