Minerva, goddess of Wisdom, accompanied by Mercury, entrusts the key of knowledge to Intellect, beside whom is the naked figure of Truth. To the left is the she-wolf with the infants Romulus amd Remus, founders of Rome. Minerva gives a hammer to Artifice and Industry at whose feet lie other tools. In the background is Amphion or Eloquence, playing the viola and surrounded by birds. This painting is one of a group of 10 \'modelli\', or elaborated oil studies, made in preparation for the fresco projects that Giordano created for the Palazzo Medici Riccardi in Florence. This painting is connected with the ceiling of the Galleria.