Three-fourths of the mistakes a man makes are made because he does not really know the things he thinks he knows.

Patriotism consists not in waving the flag, but in striving that our country shall be righteous as well as strong.

Our country is not the only thing to which we owe our allegiance. It is also owed to justice and to humanity.

The worth of a book is to be measured by what you can carry away from it.

The national park is the best idea America ever had.

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

Communication is the key to education, understanding and peace.

Individualism, the love of enterprise, and the pride in personal freedom, have been deemed by Americans not only as their choicest, but their peculiar and exclusive possessions.

To most people, nothing is more troublesome than the effort of thinking.

A political career brings out the basest qualities in human nature.

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

The Russians did much bigger space launch vehicles for launching satellites and for getting men in orbit. They did that much sooner than America because America was very good at something else.

The forms of art are inexhaustible; but all lead by the same road of aesthetic emotion to the same world of aesthetic ecstasy.

If we accept imperfect food, we can indeed change the world for the better.

In terms of the films I make, I'm just more excited about it if I've written it. It's like living in a house that you've built rather than a rental.

The grace of God is love freely shown toward guilty sinners, contrary to their merit and indeed in defiance of their demerit.

Partisanship is our great curse. We too readily assume that everything has two sides and that it is our duty to be on one or the other.

How wonderful," he purred. "I've been longing to speak to you for days, Princess Cecelia." "And I've been wanting to kick you in the shin for days.

The trouble is if we take no new steps to try a new challenge, our comfort zone doesn't seem just to stay still, but retract.

They [spies] cannot be properly managed without benevolence and straightforwardness.

The reality distortion field was a confounding mélange of a charismatic rhetorical style, indomitable will, and eagerness to bend any fact to fit the purpose at hand.