We already know the limits of Einstein's theories. From the centers of black holes at the very beginning of the universe - we call these singularities - Einstein's equations fail. In fact, people have joked that's where God is dividing by zero.

Aliens might be surprised to learn that in a cosmos with limitless starlight, humans kill for energy sources buried in the sand

There are countless space activities that would be no less exciting than the moon missions were, I have no doubt. The search for life on Mars, for example.

So what is true for life itself is no less true for the universe: knowing where you came from is no less important than knowing where you are going.

When you're enlightened, you don't have to reference other people, because you yourself are enlightened. And that's a better Earth. People can make more informed decisions politically, culturally, personally.

We are all connected; To each other, biologically. To the earth, chemically. To the rest of the universe atomically.

The supermoon is a 16-inch pizza compared with a 15-inch pizza. It's a slightly bigger moon; I ain't using the adjective 'supermoon.'