The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home.

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.

Cooperation over competition. If the world simply sees this statement, together we can begin our exploration of it. Simply seeing it is enough to create change.

The low suffer most the blow of the law

His lips made a grim twist that was like the joyless cousin of a smile.

In America, one of our challenges, historically, is that we have very low voting rates, even during presidential elections.

For most people, the major hurdle in grasping modern insights into the nature of the universe is that these developments are usually phrased using mathematics.

I don't want to make pompous, serious films.

I think that Comic-Con is just a wonderful forum. It's just the perfect place for our show and the fans have embraced us so wonderfully. I would be shocked, if we weren't back every year.

I was in love. With a two-dimensional object. A mute in love with a painting. Lovely. Just lovely.

To myself alone do I owe my fame. [Fr., Je ne dois qu'a moi seul toute ma renommee.]

Lead us, Heavenly Father, lead us O'er the world's tempestuous sea; Guard us, guide us, keep us, feed us, For we have no help but Thee.