Matthew 18:6-7
18:6 “But if anyone causes one of these little ones who believe in me to sin, it would be better for him to have a huge millstone hung around his neck and to be drowned in the open sea.
18:7 Woe to the world because of stumbling blocks! It is necessary that stumbling blocks come, but woe to the person through whom they come.
Matthew 18:10
The Parable of the Lost Sheep
18:10 “See that you do not disdain one of these little ones. For I tell you that their angels in heaven always see the face of my Father in heaven.