We must act, knowing that our work will be imperfect.

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.

Those of us who are most genuinely repelled by war and violence are also those who are most likely to decide that some things, after all, are worth fighting for.

I had never really thought of marriages as things that involved liking. I had just assumed this man-woman arrangement was yet another adult quirk, like flossing.

I think bitcoins are obviously becoming more and more relevant.

In the city of Pyongyang, you don't have to look very far to see an image of the Great Leader, Kim Il Sung. They love the guy. He is responsible for the wonder that is North Korea.

This life is slow suicide, unless you read.

The kids in our classroom are infinitely more significant than the subject matter we teach.

His idea of traffic safety is going too fast for the cops to catch up.

Intuition is the voice of the spirit within you.

I happily cling to my guns and my God, even if President Obama thinks that that is a simpleminded thing in his elitist heart.

I had little talent for happiness.