The Transfiguration gave the Apostles the encounter with Christ that helped them through the scandal of the Cross. We are called to encounter Him, too, and we do so by PRACTICE.
Prayerful reading of Scripture (Lectio Divine)
Rote prayers like the Rosary and Chaplet of Divine Mercy
Adoration - praising God for who He is
Contrition - admitting our sins and asking for mercy
Thanksgiving for what the Lord has done
Intercessions for those in need
Contemplation - contemplating the Scriptures as St. Ignatius taught
Examen - reflecting on our day's activities in the light of grace