Greek philosophersTo Daniel MacGhie Cory
Grand Hotel
Rome. June 17, 1941

It is pleasant to know that you have given a brilliant lecture at Columbia and drawn the enemy fire. You can’t persuade a philosopher against his will; but you may feel a wind of doctrine blowing through his defenses against him. Opinions get very rapidly stale in our time.

From The Letters of George Santayana:  Book Seven, 1941-1947.  Cambridge, MA: The MIT Press, 2006.
Location of manuscript: Butler Library, Columbia University, New York NY