Words, words, words . . . you can recite that formulaically but apparently have no awareness of the implications.
When Jesus equated Himself with I AM all present understood what He was saying. It's not that complicated.
Perhaps you should explain to us the implications of God's eternity.
One implication is the nature of the Mass (or Divine Liturgy) as allowing us to participate in the sacrifice of the Lamb slain from the foundation of the world.