Quote by 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.
Summary
This quote suggests that while the existence of alien life in the universe may be quite common, the presence of intelligent life is not as prevalent. It challenges the possibility that intelligent life has not yet emerged on Earth, pointing to the notion that it may be more rare. The quote implies an open-minded perspective on the broader concept of life beyond our planet, considering the possibility of alien lifeforms while acknowledging the complexity of intelligent life.