He knew him, and fell on his face Showing his great respect and love to him, by this profound reverence. Art thou that my lord Elijah? As Obadiah had showed the tenderness of a father to the sons of the prophets, so he showed the reverence of a son to this father of the prophets; and by this he made it appear, that he did indeed fear the Lord greatly, in that he did such honour to one that was God's extraordinary ambassador, and had a great interest in heaven. Go tell thy lord, Behold, Elijah is here Thus, though Ahab was a very wicked man, he owns him for Obadiah's lord and king; thereby instructing us, that the wickedness of kings doth not exempt their subjects from obedience to their lawful commands.
Related Commentaries of 1 Kings 18:7
1 Kings 18:7-8
7 And as Obadiah was in the way, behold, Elijah met him: and he knew him, and fell on his face, and said, Art thou that my lord Elijah?
8 And he answered him, I am: go, tell thy lord, Behold, Elijah is here.