1 Kings 18:10
As the Lord thy God liveth, there is no nation or kingdom, whither my lord hath not sent to seek thee: and when they said, He is not there; he took an oath of the kingdom and nation, that they found thee not.
Cross-reference
In 1 Kings 18:15, Elijah responds with a similar oath 'As the LORD lives' — the immediate sequel to Obadiah's report.
In 1 Kings 17:1, Elijah himself first uses this oath phrase — showing the same speaker uses it earlier.
In 1 Kings 17:9, God sends Elijah to Zarephath to hide, explaining why Ahab's search in 18:10 is so extensive.
1 Kings 19:10 has Elijah lamenting that they seek his life, directly referencing the same persecution from 18:10.
Psalm 31:20 describes God hiding the faithful from plots of men, directly paralleling how God hid Elijah from Ahab's search.
1 Samuel 23:23 has Saul commanding a search for David's hiding places, mirroring Ahab's search for Elijah.
Jeremiah 26:20-23 recounts King Jehoiakim pursuing the prophet Uriah — a parallel to Ahab's pursuit of Elijah.
Jeremiah 36:19 shows officials hiding Jeremiah and Baruch from the king—mirroring Obadiah's need to hide prophets from Ahab's search.
John 8:59 shows Jesus hiding from those who sought to stone him, a similar pattern of God's servant evading enemies.