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

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.

She wished such words unsaid with all her heart

For the ocean is big and my boat is small. Find the courage.

The only biodiversity we're going to have left is Coke versus Pepsi. We're landscaping the whole world one stupid mistake at a time.

There are some people upon whom their very faults and failings sit gracefully; and there are others whose very excellencies and accomplishments do not become them.

And I know what confidence medals can bring.

If I want something I do everything to get it.

A man that is ashamed of passions that are natural and reasonable is generally proud of those that are shameful and silly.

There's a quickening of her heart when she sees him. She tells herself it's anger.

Love is the supreme value around which all moral values can be integrated into one ethical system valid for the whole of humanity.