1 Corinthians 3:19

For the philosophy of this world is foolishness in God's sight. It is written, He snares the wise in their own craftiness,

James 3:15

Such wisdom is not that which is descending from on high, but is earthly, sensual, demonlike.

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 the philosophy of this world is foolishness in God's sight. It is written, He snares the wise in their own craftiness,
James 3:15
Such wisdom is not that which is descending from on high, but is earthly, sensual, demonlike.