He who permits himself to tell a lie once, finds it much easier to do it a second and third time, till at length it becomes habitual, he tells lies without attending to it, and truths without the world's believing him. This falsehood of the tongue leads to that of the heart, and in time depraves all its good dispositions.

More information about this quote

Authentication Score 3

Original Citation

Jefferson, Thomas. Letter to Peter Carr. 19 Aug. 1785.

Current Citation

Jefferson, Thomas. "Peter Carr, Aug. 19, 1785." The Life and Selected Writings of Thomas Jefferson, edited by Adrienne Koch and William Peden. Modern Library, 1998.