The Holy Feast of Theophany is that greatest of days in which we celebrate the presence of the entirety of the Most Holy Trinity. "In those days Jesus came from Nazareth of Galilee and was baptized by John in the Jordan. And just as he was coming up out of the water, he saw the heavens torn apart and the Spirit descending like a dove on him. And a voice came from heaven, ‘You are my Son, the Beloved; with you I am well pleased'" (Mark 1:9-11; cf. Matthew 3:13-17 and Luke 3:21-22).
In this passage we clearly hear the will of the Father from Heaven, see the Holy Spirit descending on Jesus, and know that the Son of God Himself is redeeming us body, soul, and spirit outwardly through the sacraments and interiorly through our meditations.
Pray about this vocally by using the Kontakion (hymn) of the day: "On this day Thou hast appeared unto the whole world, and Thy light, O Sovereign Lord, is signed on us who sing Thy praise and chant with knowledge: Thou hast now come, Thou hast appeared, O Thou Light unappproachable."
Then pray with silence. Listen for the will of the Father in Heaven for you. Desire the healing of the Christ who redeems you. Open to the Most Holy Spirit who sanctifies you. Be ready for your transfiguration.