Commentaries:
Robertson's Word Pictures (NT)
And again (kai palin). Another confirmatory passage from Psalms 94:11.
Reasonings (dialogismouv). More than cogitationes (Vulgate), sometimes disputations (Philippians 2:14). Paul changes "men" of LXX to wise (sofwn) in harmony with the Hebrew context.
Vain (mataioi). Useless, foolish, from math, a futile attempt.
Other Robertson's Word Pictures (NT) entries containing 1 Corinthians 3:20:
1 Corinthians 4:6
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