Commentaries:
Robertson's Word Pictures (NT)
The invisible things of him (ta aorata autou). Another verbal adjective (a privative and oraw, to see), old word, either unseen or invisible as here and elsewhere in N.T. (Colossians 1:15 f., etc.). The attributes of God's nature defined here as "his everlasting power and divinity" (h te aidiov autou dunamiv kai qeiothv). Aidiov is for aeidiov from aei (always), old word, in N.T. only here and Judges 1:6, common in Philo (zwh aidiov), elsewhere aiwniov. Qeiothv is from qeiov (from qeov) quality of qeov and corresponds more to Latin divinitas from divus, divine. In Colossians 2:9 Paul uses qeothv (Latin deitas from deus)
deity, both old words and nowhere else in the N.T. Qeothv is Divine Personality, qeiothv, Divine Nature and properties (Sanday and Headlam).
Since the creation of the world (apo ktisewv kosmou). He means by God and unto God as antecedent to and superior to the world (cf. Colossians 1:15 f. about Christ).
Are clearly seen (kaqoratai). Present passive indicative of kaqoraw (perfective use of kata-), old word, only here in N.T., with direct reference to aorata.
Being perceived (nooumena). Present passive participle of noew, to use the nouv (intellect).
That they may be without excuse (eiv to einai autouv anapologhtouv). More likely, "so that they are without excuse." The use of eiv to and the infinitive (with accusative of general reference) for result like wste is reasonably clear in the N.T. (Moulton, Prolegomena, p. 219; Robertson, Grammar, p. 1003). Anapologhtouv is another verbal with an from apologeomai. Old word, in N.T. only here and Romans 2:1 ("inexcusable" here).
Other Robertson's Word Pictures (NT) entries containing Romans 1:20:
Luke 16:29
Acts 14:15
Acts 14:17
Acts 17:16
Acts 17:27
Acts 17:29
Romans 1:18
Romans 1:21
Romans 3:9
Romans 3:19
Romans 4:11
Romans 11:30
Romans 11:32
Romans 11:33
1 Corinthians 8:4
1 Corinthians 10:20
2 Corinthians 5:17
Ephesians 2:12
Philippians 1:10
Colossians 1:15
Colossians 1:21
Colossians 1:23
Colossians 2:9
Hebrews 11:3
1 Peter 2:13
1 Peter 4:2
2 Peter 1:15
Jude 1:6
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