We will never fully explain the world by appealing to something outside it that must simply be accepted on faith, be it an unexplained God or an unexplained set of mathematical laws.

It will be in the convergence of evolutionary biology, developmental biology and cancer biology that the answer to cancer will lie. Nor will this confluence be a one-way street.

The thing about lucid dreams is that it's not like the real world where you are constrained by all sorts of things, including the laws of physics - you can do magic.

It may seem bizarre, but in my opinion science offers a surer path to God than religion.

The laws of physics ... seem to be the product of exceedingly ingenious design... The universe must have a purpose.

In science, a healthy skepticism is a professional necessity, whereas in religion, having belief without evidence is regarded as a virtue.

To a physicist life looks nothing short of a miracle. It's just amazing what living things can do.

If we knew we were not alone in the universe it would have a very, very deep impact on our worldview, on our understanding of our place in the universe.

Science is about explaining the world, and religion is about interpreting it. There shouldn't be any conflict.

The Goldilocks Enigma is the idea that everything in the universe is just right for life, like the porridge in the fairy tale.

Technology is, in the broadest sense, mind or intelligence or purpose blending with nature.

I guess that’s the beauty of books. When they finish they don’t really finish.

The universe is infinite, so there is room for everyone, for every belief, for every custom, and for every desire. You are in competition with no one but yourself.

Men from children nothing differ.

It is inevitable that some defeat will enter even the most victorious life. The human spirit is never finished when it is defeated... it is finished when it surrenders.

No matter how advanced our economy might be, no matter how sophisticated our equipment becomes, for the foreseeable future we will still depend on fossil fuels.

Defense contractors are able to reap tremendous profits while rarely confronting the risks for which those profits are supposed to be the reward.

Open source isn't about saving money, it's about doing more stuff, and getting incremental innovation with the finite budget you have.

I'm naturally thin, so I don't have to work too hard at it. I love food, but I also love to work out. I think it makes everything work better.

Why in general, when you're putting together a White House staff and putting together a good one, you're looking for someone there who is not someone who's going to be heavy-handed.

Friendships are an unforseeable burden.