If you look at the current Mosul campaign against ISIL, for example the few thousand troops that we have there to support that effort allows the Iraqi military to move forward in an effective way.

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.

The strength of the spirit sustains the soul.

Until we look from the bottom up we have nothing.

Make the second 50 the best 50

In this situation I was constantly exposed to danger and death.

Because in the school of the Spirit man learns wisdom through humility, knowledge by forgetting, how to speak by silence, how to live by dying.

Alone we are savages, together we are civilization

Anyone who hasn't been nervous, or hasn't choked somewhere down the line, is an idiot.

Putting two songs together, I've always loved that trick when it works.

If you fell head first into a pigsty, you'd try to convince everybody you did it on purpose.

Things at the worst will cease or else climb upward To what they were before.