No single nation should pick and choose which nations holds nuclear weapons. And that's why I strongly reaffirmed America's commitment to seek a world in which no nations hold nuclear weapons.

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.

On the journey to achievement, you must be learning all the time.

Good design is making something intelligible and memorable. Great design is making something memorable and meaningful.

I think, there are people for whom freedom is a bigger, more important thing than stability.

The actual experience of awakening can only be in the present moment.

Think about it: Reducing crime and poverty and ensuring that we have an educated, stable work force has a direct effect on you and me and the future of our country.

The organization and the environment are in concert.

People don't start wars, governments do.

I didn't know that being in a relationship meant you had to be nice. I thought it meant you had to hack away at the other person until they were beaten down and then were too afraid to leave.

If in my twenties I'd gotten one of the two-dozen roles that I did screen tests for and almost got, I think I would have become bored with the awards circuit, the whole hype machine.

Happy thou art not; for what thou hast not, still thou strivest to get; and what thou hast, forgettest.