Quote by Harlow Shapley
"Scientific disagreement is not failure but the engine of progress."
More from Harlow Shapley
"We are made of star-stuff. We are a way for the cosmos to know itself."
"The universe is a vast and awesome place. We are incredibly fortunate to have the opportunity to study it."
"Our galaxy is but one of millions. Humility before the cosmos is the beginning of wisdom."
"The study of the stars humbles us and enlarges our sense of wonder."