[Kepler] preferred the hard truth to his dearest illusions, and that is the heart of science..

I believe that in every person is a kind of circuit which resonates to intellectual discovery-and the idea is to make that resonance work.

The desire to be connected with the cosmos reflects a profound reality, but we are connected; not in the trivial ways that astrology promises, but in….

How is it that hardly any major religion has looked at science and concluded, “This is better than we thought! The Universe is much bigger than our p….

We are an intelligent species and the use of our intelligence quite properly gives us pleasure. In this respect the brain is like a muscle. When we t….

Goddard represented a unique combination of visionary dedication and technological brilliance. He studied physics because he needed physics to get to….

I believe that part of what propels science is the thirst for wonder. It's a very powerful emotion. All children feel it. In a first grade classroom ….

If you look at Earth from space you see a dot, that's here. That's home. That's us. It underscores the responsibility to deal more kindly and compass….

The absence of evidence is not the evidence of absence..

When you make the finding yourself - even if you're the last person on Earth to see the light - you'll never forget it..

When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion..

Before we invented civilization our ancestors lived mainly in the open out under the sky. Before we devised artificial lights and atmospheric polluti….

The evidence, so far at least and laws of Nature aside, does not require a Designer. Maybe there is one hiding, maddeningly unwilling to be revealed..

How smart does a chimpanzee have to be before killing him constitutes murder?.

There are lots of ways to communicate what we know, but few ways to communicate what we feel. Music is one way to communicate emotions..

The Romans called the Christians atheists. Why? Well, the Christians had a god of sorts, but it wasn't a real god. They didn't believe in the divinit….

I'm only a four-dimensional creature. Haven't got a clue how to visualise infinity. Even Einstein hadn't. I know because I asked him.

We are the custodians of life's meaning..

The Earth is a place. It is by no means the only place. It is not even a typical place..

We live in a vast and awesome universe in which, daily, suns are made and worlds destroyed, where humanity clings to an obscure clod of rock..

Demon mean knowledge in Greek, especially about the material world. Science means knowledge in Latin. A jurisdictional dispute is exposed, even if we….