Aliens Quote by Paul Erdos

Perhaps, in retrospect, there would be little motivation even for malevolent extraterrestrials to attack the Earth; perhaps, after a preliminary survey, they might decide…

— Carl Sagan

Some people would say we're already under attack by aliens - not space aliens, but illegal aliens.

— Rush Limbaugh

For all we know, the aliens have already done this and unwittingly concluded that there was no intelligent life on Earth. They would now…

— Neil deGrasse Tyson

The aliens of 'The 5th Wave' are not the aliens we've imagined. Not the aliens we'd like to attack us.

— Rick Yancey

With luck we will be able to repulse the invaders before they land. At any rate, I can say that we will be able…

— Yoshijiro Umezu

Perhaps we need some outside, universal threat to make us recognize this common bond. I occasionally think how quickly our differences worldwide would vanish…

— Ronald Reagan

Clearly, unless thinking beings inevitably wipe themselves out soon after developing technology, extraterrestrial intelligence could often be millions or billions of years in advance…

— Seth Shostak

We have to create a world in which there are no unknown, hostile aliens at the other end of any missiles, and that is…

— Betty Williams

The aliens coming and wiping our electricity and having technical power over us... we don't know what's out there. It something that seems so…

— Seychelle Gabriel

I don't want to be the embarrassment of the galaxy to have had the power to deflect an asteroid, and then not and end…

— Neil deGrasse Tyson

If we discovered that, you know, space aliens were planning to attack and we needed a massive buildup to counter the space alien threat…

— Paul Krugman

I think we're simply going to run out of Nature before we have a chance to destroy it.

— Douglas Coupland