20 And again, Yah Veh knows the reasonings of the wise, that they are vain. Job 5:13, Psalm 94:11, 20
1 Corinthians 3:20 Cross References - ECB
Job 11:11-12
Psalms 2:1
1 Why do the goyim conspire and the nations meditate vanity?
Psalms 94:11
11 Yah Veh knows that the fabrications of humanity are vanity.
Romans 1:21
21 because when they knew Elohim they neither glorified him as Elohim, nor eucharistized; but became vain in their reasonings and darkened their uncomprehending heart:
Colossians 2:8
8 See to it lest anyone seduce you through philosophy and vain delusion - after the tradition of humanity, - after the elements of the cosmos and not after Messiah.