It would be great if we were on multiple planets, but I think that's unrealistic. Hawking says we have to be on… — Neil deGrasse Tyson Copy Share Image
I firmly believe in what Stephen Hawking says - that if we don't get off this planet, we're going to go berserk.… — Jolene Blalock Copy Share Image
What (Stephen) Hawking says in his book The Grand Design is the universe exists because it needed to exist, and because it… — John Lennox Copy Share Image
