In this passage, Jesus is rebuking them…because they were searching the scriptures (Old testament) in hopes they would find Him there…find some clue about the messiah…busy reading and searching for the coming of the messiah… So absorbed in looking for Him, that they failed to see He was THERE! With them!
This passage is a great example of Christ in the Eucharist! Let us not forget that the scriptures bear witness of our Lord…but that if we truly want to find Him all we need do is look to His Church! Because He is there, calling us to Him
Can you ever let go of Roman Catholicism for one moment? If you want to know what God is like, look to the person and work of Jesus Christ!
We are told through divine revelation to look to Jesus and not to the Roman Catholic Church.
Jesus, Founder and Perfecter of Our Faith
Therefore, since we are surrounded by so great a cloud of witnesses, let us also lay aside every weight, and sin which clings so closely, and let us run with endurance the race that is set before us, looking to Jesus, the founder and perfecter of our faith, who for the joy that was set before him endured the cross, despising the shame, and is seated at the right hand of the throne of God. - Hebrews 12
Alive in Christ - Col 3
Therefore, as you received Christ Jesus the Lord, so walk in him, rooted and built up in him and established in the faith, just as you were taught, abounding in thanksgiving.
See to it that no one takes you captive by philosophy and empty deceit, according to human tradition, according to the elemental spirits of the world, and not according to Christ. For in him the whole fullness of deity dwells bodily, and you have been filled in him, who is the head of all rule and authority. In him also you were circumcised with a circumcision made without hands, by putting off the body of the flesh, by the circumcision of Christ, having been buried with him in baptism, in which you were also raised with him through faith in the powerful working of God, who raised him from the dead. And you, who were dead in your trespasses and the uncircumcision of your flesh, God made alive together with him, having forgiven us all our trespasses, by canceling the record of debt that stood against us with its legal demands. This he set aside, nailing it to the cross. He disarmed the rulers and authorities and put them to open shame, by triumphing over them in him.