Acts 17:5

But the Jews were aroused to jealousy; they got hold of some idle rascals to form a mob and set the town in an uproar; they attacked Jason's house in the endeavour to bring them out before the populace,

1 Corinthians 14:20

Brothers, do not be children in the sphere of intelligence; in evil be mere infants, but be mature in your intelligence.

Titus 1:10

For there are plenty of insubordinate creatures who impose on people with their empty arguments, particularly those who have come over from Judaism;

Hebrews 5:12

Though by this time you should be teaching other people, you still need someone to teach you once more the rudimentary principles of the divine revelation. You are in need of milk, not of solid food.

Treasury of Scripture Knowledge

Summary

And there are gathered unto him vain men, the children of Belial, and have strengthened themselves against Rehoboam the son of Solomon, when Rehoboam was young and tenderhearted, and could not withstand them.

Bible References

Vain men

Acts 17:5
But the Jews were aroused to jealousy; they got hold of some idle rascals to form a mob and set the town in an uproar; they attacked Jason's house in the endeavour to bring them out before the populace,
Titus 1:10
For there are plenty of insubordinate creatures who impose on people with their empty arguments, particularly those who have come over from Judaism;