Teaching and writing, to me, is really just seduction; you go to where people are and you find something that they're interested in and you try and use that to convince them that they should be interested in what you have to say.

Nothing can create something all the time due to the laws of quantum mechanics, and it's - it's fascinatingly interesting.

The amazing thing is that every atom in your body came from a star that exploded.

People are interested in science, but they don't always know they're interested in science, and so I try to find a way to get them interested.

The lack of understanding of something is not evidence for God. It's evidence of a lack of understanding.

In 5 billion years, the expansion of the universe will have progressed to the point where all other galaxies will have receded beyond detection.

A universe without purpose should neither depress us nor suggest that our lives are purposeless. Through an awe-inspiring cosmic history we find ourselves on this remote planet in a remote corner of the universe, endowed with intelligence and self-awareness. We should not despair, but should humbly rejoice in making the most of these gifts, and celebrate our brief moment in the sun.