Abraham Lincoln, remarks in the Illinois legislature (January 11, 1837), in Roy P. Basler, ed., The Collected Works of Abraham Lincoln, vol. 1 (1953), p. 65. A related expression is, "You must be vocal at all times on political matters, pro or con, voicing your opinion so that it may be heard by those who govern," attributed to David L. Lawrence, governor of Pennsylvania 1958–1962. Reported as unverified in Respectfully Quoted: A Dictionary of Quotations (1989).https://en.wikiquote.org/wiki/Speaking_out