Any time bombs are used to target civilians it is an act of terror.

We cannot help but believe that the old hatreds shall someday pass; that the lines of tribe shall soon dissolve; that as the world grows smaller, our common humanity shall reveal itself.

Our resources may be finite, but our will is infinite, and I am confident that if we come together and summon that great American spirit once again, we will meet the challenges of our time and write the next great chapter in our American story.

Democracy is hard work.

It's only when you hitch your wagon to something larger than yourself that you realize your true potential.

He [Barack Obama] might have a pen, and he might have a phone, but what he does not have is the constitutional power to run this country like a dictator.

I don't want my generals or my defense secretary or my national-security team to ever feel deploying weapons to kill people as routine or abstract, even if the targets are bad people.