Research shows that the wealthier, more educated, and healthier a nation, the less violence and civil unrest among its populace, and the less likely that unrest will spread across its borders.

Find that thing that you are passionate about, that you will do day or night whether someone pays you or not...because if you have that, you will have gold.

I ended up realizing that NASA was unlikely to get me into space, or get me to the moon or beyond, and I needed some other way to drive this.

I think people are dreaming big because they have the tools to dream big. I hope that people are dreaming big because it makes them feel good about their lives.

It's sad that the U.S. government doesn't fund risky research anymore.

I have the general philosophy of creating the future you want to see.

Bad news sells because the amygdala is always looking for something to fear.