For decades, our differences with Iran meant that our governments almost never spoke to each other. Ultimately, that did not advance America's interests.

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'm not sure if you even want me around or if you just feel sorry for me. I'm not sure of anything.

Don't think you are irreplaceable, or the world will end when you are gone

A wedding, a great wedding, is just a blast. A celebration of romance and community and love... What is unfun about that? Nothing.

It's a great relationship when you can work with the person who you consider to be your soul mate.

And of course, the brain is not responsible for any of the sensations at all. The correct view is that the seat and source of sensation is the region of the heart.

Those who give up liberty for the sake of security, deserve neither liberty nor security.

That's what they [ISIS] did, they chopped off heads. That's what we have ... [to do].

Love was where I learned to go beyond myself, through the arts, through relationships, through sexuality.

I've heard a lot of nasty rhetoric about the president. We're going to kick your rear end out of the White House and stuff. That's just not the way I behave.

When people get married, it enhances their relationship and puts strains on it.