"For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring." - Carl Sagan
"Two things are infinite: the universe and human stupidity; and I'm not sure about the universe." - Albert Einstein
"We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special." - Stephen Hawking
"To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me." - Isaac Newton
"The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do." - Galileo Galilei
"We are part of this universe; we are in this universe, but perhaps more important than both of those facts, is that the universe is in us." - Neil Tyson
"The first step is to establish that something is possible; then probability will occur." - Elon Musk