A nuclear Iran is a threat to America's national security, and it is a threat to Israel's national security. We cannot afford to have a nuclear arms race in the most volatile region of the world.

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.

You ought to explore, search and seek the boundless possibilities in life.

The right belief is like a good cloak, I think. If it fits you well, it keeps you warm and safe. The wrong fit however, can suffocate.

The very idea of "managing" a forest in the first place is oxymoronic, because a forest is an ecosystem that is by definition self-managing.

A man's love, till it has been chastened and fastened by the feeling of duty which marriage brings with it, is instigated mainly by the difficulty of pursuit.

And you can't have a prosperous economy when the government is way overspending, raising tax rates, printing too much money, over regulating and restricting free trade. It just can't be done.

People get so in the habit of worry that if you save them from drowning and put them on a bank to dry in the sun with hot chocolate and muffins they wonder whether they are catching cold.

Having a phone call from Steven Spielberg was just a fantastic rite of passage. I loved it, and he was very focused, very likable, strictly business, and really sharp.

White-collar crime gets more outrageous by the second in America.

The church does not simply have a missions department; it should wholly exist to be a mission.