Commentaries:
Robertson's Word Pictures (NT)
He promised afore (proephggeilato). First aorist middle of proepaggellw for which verb see on II Corinthians 9:5.
By (dia). Through, by means of, intermediate agency like Matthew 1:22 which see.
In the holy scriptures (en grafaiv agiaiv). No article, yet definite. Perhaps the earliest use of the phrase (Sanday and Headlam). Paul definitely finds God's gospel in the Holy Scriptures.
Other Robertson's Word Pictures (NT) entries containing Romans 1:2:
Romans 1:7
Romans 16:1
Romans 16:26
1 Corinthians 15:3
Hebrews 1:1
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