The New Thought movement is a new religious movement that coalesced in the United States in the early 19th century. Wikipedia

A 19th-century American movement asserting the power of positive thinking Wikipedia Disambiguation

A spiritual movement, sometimes classed as a Christian denomination, promoting the ideas that Infinite Intelligence, or God, is everywhere, spirit is the totality of real things, true human selfhood is divine, divine thought is a force for good, sickness originates in the mind, and "right thinking" has a healing effect. Wiktionary