If your ego starts out, "I am important, I am big, I am special," you're in for some disappointments when you look around at what we've discovered about the universe. No, you're not big. No, you're not. You're small in time and in space. And you have this frail vessel called the human body that's limited on Earth.

I am proud to be part of a species where a subset of its members willingly put their lives at risk to push the boundaries of our existence.

Here's something that intrigues me: If you have faith, you believe regardless of the evidence, yet if there's ever evidence to support faith, everyone goes to it and points to it.

So this show [Cosmos] does not only operate on you intellectually, because telling you stories of how science works and why it works and what was discovered and why it matters, but combines that with stunning visualizations of the cosmos. This has the chance of affecting you intellectually and emotionally, and as well as even spiritually, because the wonder and awe of the universe are especially potent when presented in this way."

The last person I ever want working for me is someone who says 'that's not in my job description.

Our nation is turning into an idiocracy.

Mars once was wet and fertile. It's now bone dry. Something bad happened on Mars. I want to know what happened on Mars so that we may prevent it from happening here on Earth.