Most governments lie to each other. That's the way business gets done.

What I know concerns me. What I don't know concerns me even more. What people aren't telling me worries me the most.

I'm a big advocate of drones.

No policy has proved more successful in making friends for the United States, during the cold war and since, than educating students from abroad at our colleges and universities.

I have tried to maintain civil relationships with everyone I meet - and, even if I violently disagree with them, try to be respectful.

A wild and crazy weekend involves sitting on the front porch, smoking a cigar, reading a book.

I've been very sensitive for a long time to the repeated pattern, during economic hard times or after a war, of the United States' essentially unilaterally disarming.

Even when I was at CIA, I'd go to visit foreign leaders and I'd say, 'You know, I'm not a diplomat. I'm just an old CIA guy'... I said, 'If I wanted to be diplomatic, I'd have been a diplomat.'

One of my favorite little sayings is, 'To avoid criticism, say nothing, do nothing, be nothing.

Future U.S. political leaders – those for whom the Cold War was not the formative experience that it was for me – may not consider the return on America’s investment in NATO worth the cost.

I think that Iran with a nuclear weapon is extremely destabilizing. I think it could precipitate a nuclear arms race in the region.

When good things are on the horizon you keep walking towards the sun.

There is always a hope for the living.

What boundary ever set limits to the service of mankind?

I had the privilege of practicing medicine in the early '60s, before we had any government. It worked rather well, and there was nobody on the street suffering with no medical care.

I'd sneak out of the house to meet girls at 3:30 a.m.

Your incredible brain can take you from rags to riches, from loneliness to popularity, and from depression to happiness and joy - if you use it properly.

It is important that students bring a certain ragamuffin, barefoot irreverence to their studies; they are not here to worship what is known, but to question it.

I got a wife who likes expensive things, so she takes all the cash.

If we make anything that lasts, it outlives us.

To be an artist is a blessing and a privilege. Artists must never betray their true hearts. Artists must look beneath the surface and show that there is more to this world than what meets the eye.