I acknowledge myself a unitarian — Believing that the Father alone, is the supreme God, and that Jesus Christ derived his Being, and all his powers and honors from the Father. […] There is not any reasoning which can convince me, contrary to my senses, that three is one, and one three.

Abigail Adams (1744–1818) American correspondent, First Lady (1797–1801)

Letter to John Quincy Adams (5 May 1816)