Knowest thou that the Lord - Thus we see that it was a matter well known to all the sons of the prophets. This day the Lord will take thy master and instructer from thee.

Joshua 3:8 "You shall, moreover, command the priests who are carrying the ark of the covenant, saying, 'When you come to the edge of the waters of the Jordan, you shall stand still in the Jordan.'"

Joshua 3:15 and when those who carried the ark came into the Jordan, and the feet of the priests carrying the ark were dipped in the edge of the water (for the Jordan overflows all its banks all the days of harvest),

2 Kings 2:2 Elijah said to Elisha, "Stay here please, for the LORD has sent me as far as Bethel." But Elisha said, "As the LORD lives and as you yourself live, I will not leave you." So they went down to Bethel.

Gentleness Succeeding Strength
'He took up also the mantle of Elijah that fell from him, and went back, and stood by the bank of Jordan; 14. And he took the mantle of Elijah that fell from him, and smote the waters, and said, Where is the Lord God of Elijah? and when he also had smitten the waters, they parted hither and thither: and Elisha went over. 15. And when the sons of the prophets which were to view at Jericho saw him, they said, The spirit of Elijah doth rest on Elisha. And they came to meet him, and bowed themselves …
Alexander Maclaren—Expositions of Holy Scripture

Formation and History of the Hebrew Canon.
1. The Greek word canon (originally a straight rod or pole, measuring-rod, then rule) denotes that collection of books which the churches receive as given by inspiration of God, and therefore as constituting for them a divine rule of faith and practice. To the books included in it the term canonical is applied. The Canon of the Old Testament, considered in reference to its constituent parts, was formed gradually; formed under divine superintendence by a process of growth extending through …
E. P. Barrows—Companion to the Bible

The Call of Elisha
God had bidden Elijah anoint another to be prophet in his stead. "Elisha the son of Shaphat . . . shalt thou anoint to be prophet in thy room" (1 Kings 19:16), He had said; and in obedience to the command, Elijah went to find Elisha. As he journeyed northward, how changed was the scene from what it had been only a short while before! Then the ground was parched, the farming districts unworked, for neither dew nor rain had fallen for three and a half years. Now on every hand vegetation was springing …
Ellen Gould White—The Story of Prophets and Kings