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.

the sons. i. e. as the Targumist renders, talmeedy neyeeya, `disciples of the prophets.'

thy master

2 Kings 2:3 And the sons of the prophets that were at Bethel came forth to Elisha, and said to him...

Joshua 1:1,2 Now after the death of Moses the servant of the LORD it came to pass, that the LORD spoke to Joshua the son of Nun, Moses' minister...

Luke 24:51 And it came to pass, while he blessed them, he was parted from them, and carried up into heaven.

John 17:5-7 And now, O Father, glorify you me with your own self with the glory which I had with you before the world was...

Acts 1:2,11 Until the day in which he was taken up, after that he through the Holy Ghost had given commandments to the apostles whom he had chosen...

Acts 26:25 But he said, I am not mad, most noble Festus; but speak forth the words of truth and soberness.

Yea, I know it

Genesis 48:19 And his father refused, and said, I know it, my son, I know it: he also shall become a people, and he also shall be great...

Ecclesiastes 3:7 A time to rend, and a time to sew; a time to keep silence, and a time to speak;

Isaiah 41:1 Keep silence before me, O islands; and let the people renew their strength: let them come near; then let them speak...

Habakkuk 2:20 But the LORD is in his holy temple: let all the earth keep silence before him.

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