18At that time the disciples came to Jesus and asked, “Who is the greatest in the kingdom of heaven?” ²He called a child, whom he put among them, ³and said, “Truly I tell you, unless you change and become like children, you will never enter the kingdom of heaven. ⁴Whoever becomes humble like this child is the greatest in the kingdom of heaven. ⁵Whoever welcomes one such child in my name welcomes me. ⁶“If any of you put a stumbling block before one of these little ones who believe in me, it would be better for you if a great millstone were fastened around your neck and you were drowned in the depth of the sea.