We are, each of us, a multitude. Within us is a little universe.

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.

All of us who are concerned for peace and triumph of reason and justice must be keenly aware how small an influence reason and honest good will exert upon events in the political field.

Are you an aberration to your species?' she cried. 'Cats don't look for approval!

The Duke of Wellington brought to the post of first minister immortal fame,-a quality of success which would almost seem to include all others.

Women, in general, are not part of the corruption of the past, so they can give a new kind of leadership, a new image for mankind.

I decided in '96 to dedicate my life to mostly promoting literacy and education for girls in rural Pakistan and Afghanistan.

Liberty never meant the license to do anything at will.

Some people say it's scarier to direct the people you work with; not me, I'm a team guy.

We are all on the stairs, my friend; some of us are going down, some us are going up!

Mexican cars are just going to be lazy, feckless, flatulent, overweight, leaning against a fence asleep looking at a cactus with a blanket with a hole in the middle on as a coat.

The rules!" shouted Ralph, "you're breaking the rules!" "Who cares?