Treasury of Scripture Knowledge

Summary

But Amnon had a friend, whose name was Jonadab, the son of Shimeah David's brother: and Jonadab was a very subtil man.

Bible References

Subtil man

1 Corinthians 3:19
For in God's sight this world's wisdom is folly. Scripture tells of-'One who catches the wise in their own craftiness,'
James 3:15
That is not the wisdom which comes from above; no, it is earthly, animal, devilish.