More quotes by Stephen Hawking

"One, remember to look up at the stars and not down at your feet. Two, never give up work. Work gives you meaning and purpose and life is empty without it. Three, if you are lucky enough to find love, remember it is there and don't throw it away."
"[In the Universe it may be that] Primitive life is very common and intelligent life is fairly rare. Some would say it has yet to occur on Earth."
"Keeping an active mind has been vital to my survival, as has been maintaining a sense of humor."
"I regard the afterlife to be a fairy story for people that are afraid of the dark"
"Life would be tragic if it weren't funny."