Quote by Edwin Hubble
"The expanding universe is a reality, not a hypothesis."
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."