John Gills Exposition of the Bible Commentary - 1 Kings 13:2
And he cried against the altar in the word of the Lord ,.... By his order and command: and said, O altar, altar ; addressing himself not to Jeroboam, but the altar, thereby reproving his stupidity, the altar being as ready to hear as he; and because that was what moved the indignation of the Lord; and the word is repeated, to show the vehemency of the prophet's spirit, and his zeal against it; though the Jews commonly say it respects both altars, that at Dan, as well as this at Bethel: ... read more
Matthew Henry's Complete Commentary - 1 Kings 13:1-10
Here is, I. A messenger sent to Jeroboam, to signify to him God's displeasure against his idolatry, 1 Kgs. 13:1. The army of Judah that aimed to ruin him was countermanded, and might not draw a sword against him (1 Kgs. 12:24); but a prophet of Judah is, instead thereof, sent to reclaim him from his evil way, and is sent in time, while he is but dedicating his altar, before his heart is hardened by the deceitfulness of his sin; for God delights not in the death of sinners, but would rather... read more