John Gills Exposition of the Bible Commentary - 1 Kings 19:16
And Jehu the son of Nimshi shalt thou anoint to be king over Israel ,.... This was a son of Jehoshaphat, and a grandson of Nimshi; nor does he appear to have been anointed by Elijah, but by Elisha; and being done by his order and direction was the same as if it was done by himself, unless he was twice anointed, see 2 Kings 9:1 . and Elisha the son of Shaphat of Abelmeholah shalt thou anoint to be prophet in thy room ; which was in the half tribe of Manasseh, on this side Jordan; See... read more
Matthew Henry's Complete Commentary - 1 Kings 19:9-18
Here is, I. Elijah housed in a cave at Mount Horeb, which is called the mount of God, because on it God had formerly manifested his glory. And perhaps this was the same cave, or cleft of a rock, in which Moses was hidden when the Lord passed by before him and proclaimed his name, Exod. 33:22. What Elijah proposed to himself in coming to lodge here, I cannot conceive, unless it was to indulge his melancholy, or to satisfy his curiosity and assist his faith and devotion with the sight of that... read more