In science it often happens that scientists say, "You know that's a really good argument; my position is mistaken..."

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 can take a week's vacation - maybe a week and a half - but after that, I'm itching to go back to work.

Kim: "What, a coffee? Hollie, I have some bad news. I hate you, okay?" Hollie: "You hate everyone, Kim." Kim: "You're one of everyone.

Poems are other people's snapshots in which we see our own lives.

There's nothing crazy about not letting our companies bring their money back into their country.

Masturbation is an absolutely peerless cure for the hiccups

I would advise all youths aspiring to athletic fame or a professional career to practice clean living, fair play and good sportsmanship.

I'm not the singer that I wish I was or that some people think I could be. I wish I had the pipes to just jump into musicals.

It is only with united effort and faith in our destiny that we shall be able to translate the Pakistan of our dreams into reality.

I have always been more interested in experiment, than in accomplishment.

The smallest of actions is always better than the noblest of intentions.