Deep impact Quote by Paul Davies

Human beings have long wondered whether they are alone in the universe.

— Alan Stern

Sometimes I think we're alone in the universe, and sometimes I think we're not. In either case the idea is quite staggering.

— Arthur C. Clarke

Personally, I do not know whether humankind is alone in this vast universe. But I do know that we should cherish our existence on…

— Ban Ki-moon

And as I have always said, the only thing more scary than knowing we are not alone in the universe is knowing we are…

— Dean Haglund

For each one of us stands alone in the midst of a universe.

— John Buchanan Robinson

It's been by turns frustrating and fascinating and wonderful beyond imagination. If what I suspect is true, it's one of the most important milestones…

— Steven M. Greer

Human race is all over universe. We are not alone.

— Ashwani Kumar Ojha

"Are we alone in the universe?" This is a question which goes back to the dawn of history, but for most of human history…

— Paul Davies

You're the answer to are we alone in the universe?

— Jonathan Kent

The universe is almost 14 billion years old, and, wow! Life had no problem starting here on Earth! I think it would be inexcusably…

— Neil deGrasse Tyson

Maybe our Earth is totally alone in the universe.

— Lucile Hadzihalilovic

To realize that everything in the universe is connected is to both accept our insignificance and understand our importance in it.

— Jeffrey Fry