Knowledge is not simply another commodity. On the contrary. Knowledge is never used up. It increases by diffusion and grows by dispersion.

The traveler was active; he went strenuously in search of people, of adventure, of experience. The tourist is passive; he expects interesting things to happen to him. He goes 'sight-seeing.'

[The Library of Congress] is a multimedia encyclopedia. These are the tentacles of a nation.

The Christian test was a willingness to believe in the one Jesus Christ and His Message of salvation. What was demanded was not criticism but credulity. The Church Fathers observed that in the realm of thought only heresy had a history.

. . . the messiness of experience, that may be what we mean by life.

More appealing than knowledge itself is the feeling of knowledge.

The American experience stirred mankind from discovery to exploration. From the cautious quest for what they knew (or thought they knew) was out there, into an enthusiastic reaching to the unknown. These are two substantially different kinds of human enterprise.