Socrates, Plato, Aristotle (1967). “Wit and Wisdom of Socrates, Plato, Aristotle: Being a Treasury of Thousands of Glorious, Inspiring and Imperishable Thoughts, Views and Observations of the Three Great Greek Philosophers, Classified Under about Four Hundred Subjects for Comparative Study”
Alexander Pope, William Roscoe (1847). “The works of Alexander Pope, esq., with notes and illustrations, by himself and others. To which are added, a new life of the author, an Estimate of his poetical character and writings, and occasional remarks by William Roscoe, esq”, p.239
Thomas Jefferson, Nathaniel Francis Cabell, Joseph Carrington Cabell (1856). “Early History of the University of Virginia: As Contained in the Letters of Thomas Jefferson and Joseph C. Cabell, Hitherto Unpublished; with an Appendix, Consisting of Mr. Jefferson's Bill for a Complete System of Education and Other Illustrative Documents; and an Introduction, Comprising a Brief Historical Sketch of the University, and a Biographical Notice of Joseph C. Cabell”, p.366
"Tact is one of the first of mental virtues, the absence of which is frequently fatal to the best of talents. Without denying that it is a talent of itself, it will suffice if we admit that it supplies the place of many talents".