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.

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

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.

While intent is the seed of manifestation, action is the water that nourishes the seed. Your actions must reflect your goals in order to achieve true success.

I wanted to write about how people's beliefs shift.

The human race may well become extinct before the end of the century. Speaking as a mathematician, I should say the odds are about three to one against survival.

In the middle of the woods Lived the Yonghy-Bonghy-Bo. Two old chairs and half a candle, One old jug without a handle- These were all the worldly goods.

It's never to late for a happy childhood.

When I've done somewhat scripted stuff, it feels a little flat. It feels like there's not much life behind it.

We see very broad-based, moderate, growth. Most of the sectors are quite strong. I don't see any major potholes, and I believe [the economy] is strengthening.

Treat all things as if they were loaned to you without any ownership - whether body or soul, sense or strength, external goods or honors, house or hall . . . everything.

Sorrow burns up a great amount of shallowness.

The British government - any government - is potentially the worst [architectural] client in the world.