Sin disfigures, grace transfigures.

Jesus teaches us that suffering is the necessary path to glory:

Divine Intimacy, Fr. Gabriel of St. Mary Magdalene O.C.D.
#105 The Transfiguration

“Ought not Christ to have suffered these things and so to enter into His glory?” (Lk 24:26). What was disfigured by sin cannot regain its original supernatural beauty except by way of purifying suffering.

God does not console us for our entertainment but rather for our encouragement, for our strengthening, for the increase of our generosity in suffering for love of Him.

The vision disappeared; the Apostles raised their eyes and saw nothing “nisi solum Jesum,” save Jesus alone, and with “Jesus alone” they came down from the mountain.

The time has come to repeat, “Jesus alone,” to come down from Thabor with Him, and to follow Him with the Apostles even to Calvary”