Climate change constitutes a serious threat to global security, an immediate risk to our national security, and, make no mistake, it will impact how our military defends our country.

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 was trapped in an awful spiral of insecure narcissism

The sweetest pleasure arises from difficulties overcome.

Do give books - religious or otherwise - for Christmas. They're never fattening seldom sinful and permanently personal.

I hate the poor and look forward eagerly to their extermination.

Each man has to work out his own understanding of what needs to be done, and then prepare himself to take advantage of the opportunity to succeed in a big way.

There is an odd sense of responsibility attached to appearing in a drama about a real piece of history. A work of fiction is fun.

I'm not a boy now. I'm a man, I hope. I hope I've had my artistic bar mitzvah somewhere.

Assuming that women don't like football and that men aren't intersted in home decorating and cooking.

Be cunning and full of tricks and your people shall never be destroyed.

Inspiration comes from doing.