Never fear the want of business. A man who qualifies himself well for his calling, never fails of employment.

Jefferson, Thomas. "Dr. Benjamin Rush, Sept. 23, 1800." The Life and Selected Writings of Thomas Jefferson: Including the Autobiography, The Declaration of Independence & His Public and Private Letters, edited by Adrienne Koch and William Peden. Modern Library, 1998.

Paine, Thomas. "The Age of Reason, Being an Investigation of True and Fabulous Theology (1794)." Selected Writings of Thomas Paine, edited by Ian Shapiro and Jane E. Calvert. Yale University Press, 2014.