“Mind and spirit together make up that which separates us from the rest of the animal world, that which enables a man to know the truth and that which enables him to die for the truth.”
“It has always seemed strange to me that in our endless discussions about education so little stress is laid on the pleasure of becoming an educated person, the enormous interest it adds to life. To be able to be caught up into the world of thought -- that is to be educated.”
“The fundamental fact about the Greek was that he had to use his mind. The ancient priests had said, "Thus far and no farther. We set the limits of thought." The Greek said, "All things are to be examined and called into question. There are no limits set on thought."”
“The modern minds in each generation are the critics who preserve us from a petrifying world, who will not leave us to walk undisturbed in the ways of our fathers”
