John Calvin: The image of God in Man and his Providence
Hence certain of the philosophers have not improperly called man a microcosm (miniature world), as being a rare specimen of divine power, wisdom, and goodness, and containing within himself wonders sufficient to occupy our minds, if we are willing so to employ them. Paul, accordingly, after reminding the Athenians that they “might feel after God and find him,” immediately adds, that “he is not far from every one of us,” (Acts 17:27); every man having within himself undoubted evidence of the heavenly grace by which he lives, and moves, and has his being, John Calvin, Institutes, 1.5.3, THE KNOWLEDGE OF GOD CONSPICUOUS IN THE CREATION, AND CONTINUAL GOVERNMENT OF THE WORLD.