1 Corinthians 3:20

Modern King James Version

And again, "The Lord knows the thoughts of the wise, that they are vain."

Cross References

Psalm 94:11

Jehovah knows the thoughts of man, that they are vain.

Colossians 2:8

Beware lest anyone rob you through philosophy and vain deceit, according to the tradition of men, according to the elements of the world, and not according to Christ.

Romans 1:21

Because, knowing God, they did not glorify Him as God, neither were thankful. But they became vain in their imaginations, and their foolish heart was darkened.

Psalm 2:1

Why do the nations rage, and the peoples meditate on a vain thing?

Proverbs 21:30

There is no wisdom nor understanding nor counsel against Jehovah.