Do not despise one of these little ones

The disciples approached Jesus and said,
"Who is the greatest in the Kingdom of heaven?"
He called a child over, placed it in their midst, and said,
"Amen, I say to you, unless you turn and become like children,
you will not enter the Kingdom of heaven.
Whoever humbles himself like this child
is the greatest in the Kingdom of heaven.
And whoever receives one child such as this 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
always look upon the face of my heavenly Father."
(Mt 18:1-5.10)