The Three Ages of the Interior Life: Prelude of Eternal Life (Les trois âges de la vie intérieure, prélude de celle du Ciel) is the magnum opus of Fr. Réginald Garrigou-Lagrange, a French theologian of the Order of Preachers (Dominican Order). The two volume publication represents both the summary of teaching ascetical and mystical theology for twenty years at the Angelicum and the synthesis of two other works: Christian Perfection and Contemplation and L’amour de Dieu et la croix de Jesus. The work is framed according to three stages that mark the common path of Christian perfection, which are described in conformity to the preexisting theology and wisdom of Catholic saints and Church Fathers. His synthesis has become one of the most the dominant present-day interpretations of this patrim