Life is but a momentary glimpse of the wonder of this astounding universe, and it is sad to see so many dreaming it away on spiritual fantasy.

Somewhere, something incredible is waiting to be known.

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.

The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

Imagination will often carry us to worlds that never were. But without it we go nowhere.

I don't want to believe. I want to know.

The absence of evidence is not the evidence of absence.

The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.

We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

For small creatures such as we the vastness is bearable only through love.

You have to know the past to understand the present.

I mean that success has come early. And that is dangerous. Always dangerous.

Courage comes in the form of a girl.

I like all the angels around because they protect me and my daughter. I mean, her Dad's an angel.

Nothing preaches better than the act.

Play is the work of children. It's very serious stuff.

Quoting her mother: The trouble with a book is you never know what's in it until it's too late!

I had many decades of me time and now I just don't have that anymore. There are days when I rail against it.

Know that what you do in the time of your greatest trial can be your greatest triumph

It's not health care reform to dump more money into Medicaid.

When Mister Safety Catch Is Not On, Mister Crossbow Is Not Your Friend.