Mark 9:42
And whoever shall offend one of these little ones that believe in me, it is better for him that a millstone were hanged about his neck, and he were cast into the sea.
Topicalbible.org—AKJV

Matthew 18:3
And said, Truly I say to you, Except you be converted, and become as little children, you shall not enter into the kingdom of heaven.
Topicalbible.org—AKJV

Mark 10:13-16
And they brought young children to him, that he should touch them: and his disciples rebuked those that brought them.
Topicalbible.org—AKJV