If we are to survive, our loyalties must be broadened further, to include the whole human community, the entire planet Earth.

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 don't think marriages break up because of what you do to each other. They break up because of what you must become in order to stay in them.

Those of you watching and listening, get a cup of coffee or a spot of tea and join us back here in just a few moments.

No drama, however great, is entirely independent of the stage on which it is given.

Sometimes the only way to know how far you'd come was to return to where you once had been.

The sky is like a monochromatic contemporay painting, drawing me in its illusion of depth, pulling me up.

Genres give a vocabulary. They give a frame of reference for the audience to enter into a movie. Then, once they have their footing, that's when you can start doing things that they don't expect.

You have to show up in the World Cup, and in the World Cup anything can happen.

When I was younger, my feet would hurt a lot, but you build up calluses and strength and you don't feel as much pain there.

Self-seeking, self-glory, that is not me. No. Many people say I embarrass them with my humility.

I've made it clear to my agents that I want more interesting stuff.