Matthew 18:3-5, 10, 14

and said, “Truly I say to you, unless you are converted and become like children, you will not enter the kingdom of heaven. Whoever then humbles himself as this child, he is the greatest in the kingdom of heaven. And whoever receives one such child in My name receives Me

“See that you do not despise one of these little ones, for I say to you that their angels in heaven continually see the face of My Father who is in heaven.

So it is not the will of your Father who is in heaven that one of these little ones perish.