Commentaries:
Robertson's Word Pictures (NT)
He hardeneth (sklhrunei). Pharaoh hardened his own heart also (Exodus 8:15, Exodus 8:32; Exodus 9:34), but God gives men up also (Romans 1:24, Romans 1:26, Romans 1:28). This late word is used by the Greek physicians Galen and Hippocrates. See on Acts 19:9. Only here in Paul.
Other Robertson's Word Pictures (NT) entries containing Romans 9:18:
Acts 19:9
Hebrews 3:8
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