Authors:

The hearts of men are their books; events are their tutors; great actions are their eloquence.

"Critical and historical essays. Biographies. Indian penal code. Contributions to Knight's quarterly magazine". Book by Thomas Babington Macaulay Baron Macaulay, "A Conversation between Mr. Abraham Cowley and Mr. John Milton, Touching The Great Civil War" (August 1824), p. 654, 1873.
The hearts of men are their books; events are their tutors; great actions are their eloquence.