(1) Incarnation ~ God assumed the human form in Jesus Christ to spread the good news of salvation among us.
(2) Transfiguration of Jesus on Mount Tabor ~ Peter, James, and John witnessed this when Jesus' face shone like the sun and his clothes became white as light. Moses and Elijah appeared to converse with the Lord.
(3) Transubstantiation ~ the elements of bread and wine change into the body and blood of Christ when they are consecrated in the Eucharist during Mass.
(4) Our transformation by the Holy Spirit ~ the Lord wipes away all our sins, transforming us into new creatures holy and pure, fit to enter heaven.