Universal Church of the Kingdom of God work, perseverance and faithfulness to God" will produce earnings for people, a doctrine called prosperity theology, and that a tithe of expected earnings should be given to the Church. They offer the "promise of the psalm" ([[Psalm 23]], "The Lord is my shepherd"): peace, healing, protection, prosperity and favour. A 2015 [[academic paper]] by Ilana van Wyk, author of the 2014 book "The Universal Church of the Kingdom of God in South Africa" analyses "Prosperity and the work of luck in the Universal Church of the Kingdom of God" in South Africa, where the UCKG has a very significant presence.
Psalm 23 English was made in 1565 by Thomas Sternhold. Other metrical versions to emerge from the Protestant Reformation include those from "The Bay Psalm Book" (1640) and a version influenced by Sternholm published in the Scottish Psalter (1650). The latter version is still encountered, with modernized spelling, in many Protestant hymns. Other notable metrical versions include those by George Herbert, Philip Sidney, and Isaac Watts. A metrical version of the psalm is traditionally sung to the hymn tune "Crimond", generally attributed to Jessie Seymour Irvine. This version, with its opening words "The Lord's My Shepherd", is probably the best-known amongst English-speaking