Quote by Edwin Hubble
"Discovery requires both imagination and rigorous observation."
More from Edwin Hubble
"Equipped with his five senses, man explores the universe around him and calls the adventure science."
"The history of astronomy is a history of receding horizons."
"We find that the universe is expanding at an enormous rate in all directions, like a great breath being taken by all of space itself."
"The universe is a very large place, perhaps the largest concept we can grasp."