"A Dictionary of Thoughts: Being a Cyclopedia of Laconic Quotations from the Best Authors of the World, Both Ancient and Modern" by Tryon Edwards, New York, Cassell publishing company, (p. 517), 1891.
Henry Scougal (1775). “The life of God in the soul of man. Or, The nature and excellency of the Christian religion. And An account of the beginnings and advances of a spiritual life. 2 letters [by H. Scougal. With a preface by G. Burnet].”, p.66