Before analyzing Bonaventure’s doctrine, one must acknowledge the scholarly lineage that made this synthesis possible. The Dissertationes ad lauream published by the Pontificia Facultas Theologica S. Bonaventurae (e.g., works by J. Ratzinger, J.G. Bougerol, and Z. Hayes) have consistently emphasized two methodological keys to Bonaventure’s thought: hierarchia (sacred order) and itinerarium (journey).