Muslim
How can Jesus be divine if he was a man who prayed to God?
The Church teaches that Jesus is one divine Person with two complete natures, fully God and fully man; his prayer to the Father expresses his true, complete humanity, not a denial of his divinity, since a truly human nature necessarily prays, hungers, and suffers.
Catholic teaching
Defined at the Council of Chalcedon in 451, Jesus Christ is one divine Person in two natures, human and divine, united without confusion or separation; his human acts, including prayer, obedience, and suffering, are the genuine acts of the eternal Son living a real human life.
Biblical foundation
John declares 'the Word was God... and the Word became flesh' (John 1:1,14); Jesus forgives sins on his own authority (Mark 2:5-10), receives worship without rebuke (Matt 14:33, John 20:28), and yet truly grows weary and prays (John 4:6, Luke 22:41-42), showing one Person acting in two real natures.
Scripture references
Historical evidence
Confession of Jesus' divinity appears in the earliest Christian documents, including Paul's letters written within decades of the Crucifixion (Phil 2:6-11) and the second-century letters of Ignatius of Antioch, showing this was not a later doctrinal invention but the apostolic Church's original faith.
The Church Fathers
“There is one Physician, of flesh and of spirit, begotten and unbegotten, God existing in flesh, true life in death, both of Mary and of God.”