“When asked what he meant by this he replied. "Nature hides her secret because of her essential loftiness, but not by means of ruse." (Die Natur verbirgt ihr Geheimnis durch die Erhabenheit ihres Wesens, aber nicht durch List.) As quoted in Subtle is the Lord - The Science and the Life of Albert Einstein (1982) by Abraham Pais einsteinandreligion.com”

Source: Wikiquote