Abu Huraira reported Allah’s Messenger (may peace be upon him) as saying: “No child is born but upon Fitra. It is the parents who make him or her a Muslim, a Jew, a Christian or a Polytheist!”.
A person asked: ‘O Allah’s Messenger, What is your opinion if they were to die before that (before reaching the age of adolescence when they can distinguish between right and wrong)?
He replied: “It is Allah alone Who knows what they would be doing”.
This is an authentic Hadith [Saying] of Prophet Muhammad Sallallahu Alaihi Wassallam. Click here to read from the source here on the Internet.
Everyone of us are born free from Sin and our nature when being a child is likened to a blank piece of paper or as we are living today in the Last Ages and surrounded with all kinds of advancements in the field of Science & Technology, you can liken the newborn baby like a blank CD or DVD, SD card or Flash Drive.
It is up to us to record what we wish into that storage device just like it is up to each parent or parents to raise their child as they see fit.
Babies are free from having any preconceived ideas of their own yet in the following video, you will see how they calm down and listen to the recitation of the verses from the Holy Quran:
Who is it that puts this natural inclination for the innocent babies to listen to the verses from the Glorious Quran but Allah the Supreme Creator Himself!