Show me in the New Testament the story about an already Christian family welcoming a newborn child, celebrating it, and raising it.
15 And they brought unto him also infants, that he would touch them: but when his disciples saw it, they rebuked them. 16 But Jesus called them unto him, and said , Suffer little children to come unto me, and forbid them not: for of such is the kingdom of God. 17 Verily I say unto you, Whosoever shall not receive the kingdom of God as a little child shall in no wise enter therein .
Jesus says in Luke that INFANTS should be able to come to Him.
Peter, apparently learned that lesson well.
Peter said, "39 The promise is for you and your children and for all who are far off--for all whom the Lord our God will call."
Couple that with Irenaeus' words that infants can be born again. "He came to save all through means of Himself-all, I say, who through Him are born again to God(148) -infants,(149) and children, and boys, and youths, and old men. "
xzins,
I give you lots of credit for perseverance. Unfortunately, your scholarship is still developing.
Luke 18 - Parents bring infants to Jesus to ask for Him to bless them, but not to baptize them. This was a Jewish custom for rabbis to bless children. This would have been a great place for Him to tell them to baptize their infants, had that been God’s desire. It doesn’t happen.
Acts 2:39 - The promise of the Holy Spirit was the result of salvation and was a gift to all who believe - the Jews, their descendants, and gentiles who were far off. Please note that they had to respond to receive the gift of the Holy Spirit. Again, nothing about baptism for infants. You are simply finding the word “children”, taking that to mean “infants” (which is not the greek word here), and implying baptism is in the passage. It is not. Would have been a great place for Peter to follow up with telling parents to baptize children, if that was God’s intent. It didn’t happen.
Irenaeus, though used by God, didn’t speak for him. His words were not inspired Scripture.
In the end, we are back to where we started:
No where does the Bible show an infant being baptized.
No where does the Bible command the baptism of anyone - including an infant - that has not already believed and professed Christ.
No where does the Bible provide instructions about baptism for infants.
The idea did not originate in the Bible. It is made up out of whole cloth.
"Peter said to them, “Repent, and each of you be baptized in the name of Jesus Christ for the forgiveness of your sins; and you will receive the gift of the Holy Spirit. “For the promise is for you and your children and for all who are far off, as many as the Lord our God will call to Himself.”
Note that the gift of the Holy Spirit to the Jews and their descendants and gentiles followed Peter's exhortation to "repent and be baptized." To repent means you acknowledge you are moving in the wrong direction and change. Infants cannot do any of that.