Those who seek power at any price detect a societal weakness, a fear that they can ride into office.

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.

That they believe in you does not make them your disciple

You see, Adrian, we do many things. We assign meaning to some, and think of others as lacking it. But who's to tell when we're right - and when we're wrong?

Those who persevere in sin are those who are held in abhorrence by God, but those who abandon the ways of sin are loved by the Lord.

Energy-saving technologies keep improving faster than they're applied, so efficiency is an ever larger and cheaper resource.

No peace will arrive unless the U.S. or Pakistan want it.

The thing that's changed the most has just been the rapid technology.

I pretty much grew up in public.

I was just totally taken by Michael Jackson when I was a little kid, like everyone else.

Every time I make something I think about the people who are going to see it and every time I see something, I think about the person who made it.

I am proof that you can you make money in Italy and be honest.