The most effective leaders are actually better at guarding against danger when they acknowledge it that it exists. Cowards, in contrast, cling to the hope that failure will never happen and may be sloppy in the face of danger - not because they don't acknowledge that it exists, but because they are just too afraid of it to look it in the eye.

When I was a kid, I was a bit of a space geek. I loved the space program and all things NASA. I would read books about our solar system; I had pictures of the Space Shuttle on my bedroom wall. And yes, I even went to Space Camp.

A poor leader will tell you how many people work for them. A great leader will tell you how many people they work for.

If you have the opportunity to do amazing things in your life, I strongly encourage you to invite someone to join you.

Pure pragmatism can't imagine a bold future. Pure idealism can't get anything done. It is the delicate blend of both that drives innovation.

Don't quit. Never give up trying to build the world you can see, even if others can't see it. Listen to your drum and your drum only. It's the one that makes the sweetest sound.

Spending time with the military certainly lends itself to some remarkable experiences, and I've been privileged to have had my share.