And again, it was said by the psalmist, Psalms 94:11, that: The Lord knoweth the thoughts of man, that they are vanity: man's counsels, imaginations, reasonings, they are all vanity; they propose to themselves ends which they cannot attain, and pursue them by means that are inefficacious with reference to their ends.
Related Commentaries of 1 Corinthians 3:20
1 Corinthians 3:20
20 And again, The Lord knoweth the thoughts of the wise, that they are vain.