Except for fools and madmen, everyone knows that nuclear war would he an unprecedented human catastrophe.

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.

The path to marital bliss is to begin each day with a kiss.

Success will come just as a mere wish when cars begin to manufacture and drive themselves. Believe it or not, "nothing comes out if nothing goes in”!

She remembered the conversation in the Library, as forgetting was the last thing a fully-trained Librarian should do. Memories were as important as books, and almost as important as proper indexing.

If the U.S. succeeds in destroying the revolution, my status will be like that of most Cubans: I'll be up a creek without a paddle. It will be devastating for people worldwide who believe in justice.

The average golfer's problem is not so much the lack of ability as it is lack of knowledge about what he should be doing

My heroes used to be cowboys.

I do believe that we’re in a true golden era of television, and I think it started with Hill Street.

Just go to bed, now. Quickly. Quickly and slowly.

Dad loved movies and I grew up with British comedy. My ultimate favourite is Peter Sellers.

When I'm onstage, I hope it looks like what I want to see - the lights, the pyro, the band.