Horace Mann Quotes
So multifarious are the different classes of truths, and so multitudinous the truths in each class, that it may be undoubtingly affirmed that no man has yet lived who could so much as name all the different classes and subdivisions of truths, and far less anyone who was acquainted with all the truths belonging to any one class. What wonderful extent, what amazing variety, what collective magnificence! And if such be the number of truths pertaining to this tiny ball of earth, how must it be in the incomprehensible immensity!
Mann, Horace. Lectures on Education. William B. Fowle, 1845, p. 110.
Secretary of Defense Donald Rumsfeld over a century later paraphrased this notion in discussing the problem with information from the intelligence agencies.
Horace Mann was an American educational reformer and Whig politician known for his commitment to promoting public education. In 1848, after public service as Secretary of the Massachusetts State Board of Education, Mann was elected to the United States House of Representatives (1848–1853). From September 1852 to his death, he served as President of Antioch College.