This is where the search for meaning had led our medieval ancestors: to the certainty that God, who made all of creation, had scattered clues to the useful functions of creating things in those things, and that only a little vigilance was necessary to decode those clues. Simpling was but the most basic of this kind of learning; the search for Signs, as undertaken by the sixteenth-century German humanist Paracelsus, was a further extension of the same idea.