22 Therefore, whoso repenteth and cometh unto me as a little child, him will I receive, for of such is the kingdom of God. Behold, for such I have laid down my life, and have taken it up again; therefore repent, and come unto me ye ends of the earth, and be saved.
https://en.wikipedia.org/wiki/Teaching_of_Jesus_about_little_children
Matthew 18 & 19