You might slow down a little bit, you might not jump as high as you used to, but I know what I'm doing and I'm fearless.

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.

Whoever thinks that he alone has speech, or possesses speech or mind above others, when unfolded such men are seen to be empty.

The public buys the most at the top and the least at the bottom.

There are compensations for growing older. One is the realization that to be sporting isn't at all necessary. It is a great relief to reach this stage of wisdom.

But certain winds will make men's temper bad.

We can't manipulate some stars while maintaining other stars as controls; we can't start and stop ice ages, and we can't experiment with designing and evolving dinosaurs.

Before the Pilgrims landed at Plymouth, we were here. Before the pen of Jefferson etched across the pages of history the majestic words of the Declaration of Independence, we were here.

Vaccines are a miracle cure. Eight out of 10 children are getting vaccines.

I'm totally anonymous until I open my bloody mouth and people recognize the voice.

Hip is the sophistication of the wise primitive in a giant jungle.

Failure is a learning experience, and the guy who has never failed has never done anything.