for any civilization capable of broadcasting a signal oversuch an immense distance is likely to be greatly superior to ours.Even if that civilization is not more advanced than ours at the timeof transmission, the enormous distance between us entitles us tocalculate that they must be millennia ahead of us by the time themessage reaches us (unless they have driven themselves extinct,which is not unlikely).

The God Delusion On page 77 Monday, November 5, 2012 @ 1:54pm