On the spectrum of successful politicians, I'm not introverted the way some have been.

You can’t let your failures define you. You have to let your failures teach you.

Change will not come if we wait for some other person or some other time. We are the ones we've been waiting for. We are the change that we seek.

Keep exploring. Keep dreaming. Keep asking why. Don’t settle for what you already know. Never stop believing in the power of your ideas, your imagination, your hard work to change the world.

When ignorant folks want to advertise their ignorance, you don't really have to do anything, you just let them talk.

Just because we have the best hammer does not mean that every problem is a nail.

Change is never easy, but always possible.

Don’t ever let anybody tell you that your efforts don’t matter or that your voice doesn’t count. Don’t ever believe that you can’t make a difference. You have.

Where you are right now doesn't have to determine where you'll end up.

Learning to stand in somebody else's shoes, to see through their eyes, that's how peace begins. And it's up to you to make that happen. Empathy is a quality of character that can change the world.

If somebody is different from you, that's not something you criticize, that's something that you appreciate.

I’ve learned that no matter how inspired, fired up and motivated you might be, the dark clouds will always set in

You could achieve nothing with wondered mind! you need to stop it!

But it comes to me that two wrongs don't make another wrong.

The customers, mostly well-to-do vacationers with little knowledge of turquoise, were using a standard principle—a stereotype—to guide their buying: “expensive = good.

Universal coverage, not medical technology, is the foundation of any caring health care system.

There's never an easy route to the things that matter.

What some people interpret as brooding melancholy is serenity. I don't feel required to grasp all the time.

Many people have been pontificating, and patronizing, and moralizing, and scapegoating, saying you Greeks, you are the problem. I would say we Greeks have a problem. We are not the problem.

Earth is only a pale version of heaven, not the other way around.

I still think of Heaven as a liberal-arts school.