One cannot fashion a credible deterrent out of an incredible action.

We do not have the God-given right to shape every nation in our image or as we choose.

Measure what is important, don't make important what you can measure

If we'd lost the war, we'd all have been prosecuted as war criminals. And I think he's right. He, and I'd say I, were behaving as war criminals.

Never answer the question that is asked of you. Answer the question that you wish had been asked of you.

The war in Vietnam is going well and will succeed.

To this day we seem to act in the world as though we know what's right for everybody.

There are many ways to make the death rate increase.

At my age, 85, I'm at age where I can look back and derive some conclusions about my actions. My rule has been try to learn, try to understand what happened. Develop the lessons and pass them on.

Brains are like hearts - they go where they are appreciated.

It was a perfectly beautiful night, as fall nights are in Washington. I walked out of the president's Oval Office, and as I walked out, I thought I might never live to see another Saturday night.

Many folks think they aren't good at earning money, when what they don't know is how to use it.

If you were to look at each atom as a universe unto itself, think of the number of universes within each of us.

Politically, Donald Trump doesn't seem to care much about what he says. He gauges the effect. Sometimes, in the middle of a speech, he will change his direction if the audience doesn't like him.

Doubt is often better than overconfidence, for it leads to inquiry, and inquiry leads to invention.

Every action and decision we take – or don’t – ripples into the future. For the first time we have the capability, the technology, and the knowledge to direct these ripples.

Don't mistake niceness for weakness.

I was in a convenience store, reading a magazine. The clerk told me, "this is not a library!" "OK! I will talk louder, then!"

I don't judge other people's work and I don't see enough of it either.

We have to be sure [students] understand that racial, national, ethnic, and religious hatred can lead to horrible tragedies.

No one could be still like Edward.