He called a little child to him, and placed the child among them.
And he said: “Truly I tell you, unless you change and become like little children, you will never enter the kingdom of heaven.
References for Matthew 18:3
Therefore, whoever takes the lowly position of this child is the greatest in the kingdom of heaven.
References for Matthew 18:4
And whoever welcomes one such child in my name welcomes me.
References for Matthew 18:5
“If anyone causes one of these little ones—those who believe in me—to stumble, it would be better for them to have a large millstone hung around their neck and to be drowned in the depths of the sea.
References for Matthew 18:6