We should learn to tolerate nuclear weapons of North Korea just like we did the Soviet Union.

The kids are Job One. So, to be quite candid, if they need me, I do my utmost to make sure I'm there.

Progress is the product of human agency. Things get better because we make them better. Things go wrong when we get too comfortable, when we fail to take risks or seize opportunities.

The larger picture here is that a North Korea with nuclear weapons adds to the larger proliferation risk.

I have been to Libya and walked the streets of Benghazi myself.

I would rather be alone and a loud voice for action than be silent.

If you want change, you have to make it. If we want progress we have to drive it.

Once you've learned to study in a bathing suit on the grass with muscled men throwing frisbees over your head, you can accomplish almost anything.

Focus on something that stirs your soul, it's hard to excel at anything that you don't love.

I have no regrets whatsoever that I have acted in a way to advance my country's interests

We have to know who we are and know what we believe.

Explore your special skills.

Feelings are real. They often become one’s reality. But they are not always based on truth.

It is our duty as men and women to proceed as though the limits of our abilities do not exist.

To me there is nothing complicated about ordinary equality.

I'm continuing to work hard, not without periods of discouragement, but my strength comes back again.

The things that make us safest from others make us least from ourselves.

No book can teach you about yourself, no psychologist, none of the professors or philosophers. What they can teach you is what they think you are or what they think you should be.

God wrote a book on suffering, and its name is Jesus.

I was born in the breezes, and I had studied the sea as perhaps few men have studied it, neglecting all else.

It was not so much that I was doing mathematics, but rather that mathematics had taken possession of me.