When Christ commanded to let down the nets, the multitude of the fishes taken was just as great as the Lord of the sea and land willed. For the voice of the Word is the voice of power, at whose bidding at the beginning of the world light and the other creatures came forth. At these things Peter wonders, for he was astonished, and all that were with him….
St. Gregory of Nyssa, quoted in the Catena Aurea of St. Thomas Aquinas