How to be ‘big’ in the Kingdom
1 At that time the disciples approached Jesus saying, "Who then is greater in the kingdom of the heavens?" 2 So Jesus called a little child to Him, set him in the midst of them, 3 and said: "Assuredly I say to you, unless you change and become like little children, you will not enter the kingdom of the heavens. 4 Therefore whoever will humble himself like this little child, he is the greater in the kingdom of the heavens.
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5 "Whoever receives one little child like this in my name, receives me;
God loves children
10 "See to it that you do not despise one of these little ones, for I say to you that in heaven their angels always see the face of my Father, who is in the heavens."These little ones" refers to the literal children who were in the room. In verse 2 Jesus called one over, so it was obviously in the room, but the playmates would naturally stop to see what was going to happen, so there were several in the room. This verse suggests the existence of guardian angels.