O Almighty and everlasting God, whose blessed Son revealed himself to his chosen apostles when he was transfigured on the holy mount, and amidst the excellent glory spake with Moses and Elijah of his departure which he should accomplish at Jerusalem: Grant to us thy servants, that, beholding the brightness of his countenance, we may be strengthened to bear the cross, and be changed into his likeness from glory to glory; through the same Jesus Christ our Lord.