Deeper understanding confers that most precious thing - wonder.

For the first time, we saw our world, not as a solid, immovable, kind of indestructible place, but as a very small, fragile-looking world just hanging against the blackness of space.

We are the cosmos made conscious and life is the means by which the universe understands itself.

Skepticism must go hand in hand with rationality. When theories are shown to be false, the correct thing to do is to move on.

There is so much left of it to explore.

Every carbon atom in every living thing on the planet was produced in the heart of a dying star.

We have written the evidence of our existence onto the surface of our planet. Our civilisation has become a beacon, that identifies our planet as home to life.