No challenge poses a greater threat to future generations than climate change.

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.

If you are giving a graduate course you don't try to impress the students with oratory, you try to challenge them, get them to question you.

I didn't fight to get women out from behind vacuum cleaners to get them onto the board of Hoover.

Every generation, no matter how paltry its character, thinks itself much wiser than the one immediately preceding it, let alone those that are more remote.

It is when we are most lost that we sometimes find our truest friends.

When you're a kid with artistic yearnings brought up in the Bronx, you don't get fed up too easily.

The difference between my world record and many world class runners is mental fortitude. I ran believing in mind over matter.

Sometimes guys avoid things they don't know how to do well.

What doctor does not need platform heels and dark black eyeliner to treat their patients?

Fools are the only folk on the earth who can absolutely count on getting what they deserve.

Joy:show joy & enjoy: then others will be joyful.