Civilization Quote by Stephen Hawking

Radio astronomers are aware in the back of their minds that if there are other civilizations out there in space, it might be the…

— Jocelyn Bell Burnell

The problem here is that a civilization that is 1,000 light years away doesn't know we exist. They don't know that we have radio…

— Paul Davies

“The chance of receiving a signal from a civilization exactly as advanced as we are should be minuscule. If they were even a little…

— Carl Sagan

Give consideration to the fact that alien astronomers could have scrutinized Earth for more than 4 billion years without detecting any radio signals, despite…

— Seth Shostak

Most of what we think of as distinctively human has occurred in the last 10,000 years in the Holocene - a period in which…

— Dale Jamieson

Ever since the Second World War, television signals (as well as FM radio and radar) have served as Homo sapiens' emissaries into deep space.…

— Seth Shostak

The discovery of electrical waves... has had a profound influence on civilization; it has been instrumental in providing the methods which may bring all…

— Joseph John Thomson

Human civilization has been no more than a strange luminescence growing more intense by the hour, of which no one can say when it…

— W. G. Sebald

Supposing we knew that up there is some alien civilization and it's sending radio signals our way we should not tell the public where…

— Paul Davies

In any case, the leading edge of our "on purpose" radio signals is 30 light-years away and, if intercepted, may mend the aliens' image…

— Neil deGrasse Tyson

We are living in a state of constant scientific revolution. There is not a single area that you can name that is now seen…

— Terence McKenna

I'm really convinced that our descendants a century or two from now will look back at us with the same pity that we have…

— John Templeton