The Co-Equality Question

Theme Text - "The Father is Greater than I." John 14:28

1) We studied about God Almighty and Jesus Christ. Trinitarians usually quote John 5:18 to support a co-equal Trinity. What does that verse say?
He answered them, ‘My Father is working until now, and I myself am working.’
For this reason therefore the Jews were seeking all the more to kill him, because he not only was breaking the Sabbath, but also was calling God his own Father, making himself equal with God (John 5:17-18)
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This verse is usually quoted to support a co-equal trinity, forgetting the obvious gap that there’s no mention of the Holy Spirit.
But still let us explore the claim that Jesus was making himself equal with God:

Many of the Israelites at that time really did not comprehend sonhood. Even elsewhere Jesus explains it to them (John 10:34-36).

2) If Jesus never said he was equal with God, what really did he say about his relationship with God?
Everywhere in the scriptures, Jesus claims to be subservient to God. Some examples:

Jesus confesses God as his own God and renders worship, prayers, adulation and praise to God.

Authors of the New Testament epistles and the Book of Revelation confirm the same -

3) Some might argue, when God glorified Jesus, didn’t he become equal to God?
When we study the Scriptures, we find that Jesus has indeed been exalted by God above all creation, but we also find that he is still a loving obedient son of God.
He does not assume his glory, honor or titles on his own. Rather he receives them all at the hand of his Father:

In fact, Jesus told his disciples that the world needs to learn that he loves the Father and does exactly what the Father has commanded him (John 14:31). Yes, the king appointed by God wants his subjects (the world) to learn that this king does exactly what the Father commands him!
Paul explains this:
    Now when it says that ‘everything’ has been put under him [Jesus], it is clear that this does not include God himself, who put everything under Christ. When he has done this, then the Son himself will be made subject to him who put everything under him, so that God may be all in all (1 Corinthians 15:27-28)
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