The ordinary American voter does not object to mediocrity. He likes his candidate to be sensible, vigorous, and, above all, what he calls 'magnetic,' and does not value, because he sees no need for, originality or profundity, a fine culture or a wide knowledge.

Medicine, the only profession that labors incessantly to destroy the reason for its own existence.

If you have enough room for your books, you don't have enough books.

I have often asked Americans wherein they consider their freedom superior to that of the English, but have never found them able to indicate a single point in which the individual is worse off in England as regards his private civil rights or his general liberty of doing and thinking as he pleases. They generally turn the discussion to social equality, the existence of a monarchy and hereditary titles and so forth - matters which are, of course, quite different from freedom in its proper sense.

The People, though we think of a great entity when we use the word, means nothing more than so many millions of individual men.

The chief practical use of history is to deliver us from plausible historical analogies.

Communication is the key to education, understanding and peace.