Stephen Hawking
I believe alien life is quite common in the universe, although intelligent life is less so. Some say it has yet to appear on planet Earth.
More quotes and aphorisms
Surely the President can agree with us...Nature always wears the colors of the spirit...Problems are not stop signs, they are guidelines...It was enough to make a body...He that strives to touch the starts...I believe that the whole human race is the family...