I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.”

Source – Cosmic Religion : With Other Opinions and Aphorisms (1931) by Albert Einstein, p. 97

Also in – Transformation : Arts, Communication, Environment (1950) by Harry Holtzman, p. 138