Why did Jesus pray to God?

Its clearest formulation comes from Thomas Aquinas (13th century), who faced this exact question (could prayer even belong to Christ if Christ is God?) and answered through the two-wills doctrine:

This is the classical position affirmed, in different vocabularies, by all six traditions in the group above. So “Jesus was merely talking to himself” is not an adequate statement of what any of these churches teach, and no argument should be aimed at it.

Define the line

Begin with the terms, because every party to this conversation accepts them. By “the Creator” everyone means the ultimate source of the existence and power of everything else: uncaused, underived, dependent on nothing. Christian theology calls this God's aseity; the Quran calls God al-Samad: the One on whom all depend, who depends on none (112:2). By “creation” everyone means whatever receives existence or power from another. Nothing can be both underived and derived, self-sufficient and dependent, in the same respect. That is not a Muslim premise; it is what the words mean.

What petition expresses

Not every act called prayer expresses need. Communion and thanksgiving are real categories. But the prayers in these passages are petitions. Jesus asks that the cup be removed, tells the Father “all things are possible to you,” submits what he desires to what the Father desires, and elsewhere speaks of authority, words, work, and glory being given to him. Petition, submission, and reception are dependence in act: the one praying looks to another for what his own will does not supply. Aquinas does not dispute this; it is his premise. The divine will needs nothing, he says, and prayer belongs to Christ precisely because his human will “is not efficacious enough to do what it wishes, except by Divine power.”

Who is doing the praying?

The classical answer does not deny the dependence in Gethsemane. It relocates it: into the human nature of one person who is also fully God. Here is the precise cost. Natures do not pray; persons pray, through their faculties. Christian theology itself insists on this. The one who says “I,” who asks, obeys, and receives, is the one person of Christ. So the formula says of that one person both things at once: underived and self-sufficient according to the divine nature, acting from created, receiving existence according to the human. The usual defense is the qualifier: “independent as God, dependent as man.” Qualifiers like it are often legitimate. A man can be tall beside one crowd and short beside another; a body can be exhausted while the will holds. But those predicates attach to different standards or different faculties. Underived and derived are not that kind of predicate. They answer one question about one subject: does this being's existence and power come from another, or not?

The two-natures formula names that position; naming it is not the same as showing it can be true. This is not a one-line disproof of the Incarnation, and it should not be presented as one. It is the metaphysical burden the Incarnation assumes: a burden the councils carried deliberately, adding the two-natures definition at Chalcedon and the two-wills definition at the Sixth Council precisely to hold both commitments.

What do Jesus's words require?

The decisive question is therefore prior: do Jesus's own words require the commitment that creates the burden? Christians bring forward real texts (John 1:1-3, John 8:58, Thomas's “My Lord and my God” in John 20:28), and they must be weighed, not skipped; each is weighed in full on the central-texts page. But weigh them against the texts on this one: Jesus addressing the Father as “the only true God” and himself as the one sent (John 17:3); calling the Father “my God” after the resurrection (John 20:17); saying “the Father is greater than I” (John 14:28) and that no one knows the hour “except the Father” (Mark 13:32); teaching his followers, when he taught them to pray, to say “Our Father.” In these passages Jesus asks people to follow him, keep his word, and direct their prayer to the Father. Whether he ever asks what the doctrine requires (to be worshipped as the underived God) is the question to put to the texts before the two-natures formula is brought in to reconcile them.

Islam's answer

Islam's answer is that he did not, because he was not: the Messiah, in the Quran's words, “would never be too proud to be a servant of Allah” (4:172 ↗), and his call was the call of every prophet: “Surely Allah is my Lord and your Lord. So worship Him ˹alone˺. This is the Straight Path” (3:51 ↗), the same shape as his words in John 20:17, “my Father and your Father, to my God and your God.” Muhammad ﷺ likewise warned Muslims against elevating a messenger into an object of worship: “Do not exaggerate in praising me as the Christians praised the son of Mary, for I am only a Slave. So, call me the Slave of Allah and His Apostle” (Sahih al-Bukhari 3445 ↗). On this reading Gethsemane carries no burden at all: the one praying depends; the One prayed to does not; and the line between them is the line between creation and Creator.

• The two-wills doctrine blocks the crude objection: no church teaches that God begged himself. What it does not by itself show is how one person genuinely bears both created dependence and divine self-sufficiency. That is the live question, and it should be pressed and answered with texts and argument, not with adjectives.
• Any adequate reading of John must account both for the unity sayings (John 10:30, 17:5) and for the dependence sayings (14:28, 17:3, 20:17). The strongest Christian texts (John 1, John 8:58, John 20:28) are treated in full, at this same standard, on the central-texts page.

The written case above is this page's argument. The scene the question stands on, how Jesus actually prayed, is argued live in one recording, embedded whole: a street conversation from the EFDawah channel. Timestamps jump to each argument.