- Outstanding holiness and virtue demonstrated throughout his life.
- Profound theological and spiritual writings that greatly enriched the Church's teachings, including influential works like "On Grace and Free Will" and "The Steps of Humility."
-Tireless efforts to promote monasticism and the Cistercian Order, contributing significantly to the revival and spread of monastic life in Europe.
- Active role in resolving theological controversies and promoting Church unity, most notably in the debates concerning the teachings of Peter Abelard.
- Reputation for performing numerous miracles during his life and after his death, further solidifying his reputation as a saint.
Bernard of Clairvaux' canonization was a testament to his profound impact on the Church and his enduring legacy as a revered saint and spiritual leader.