Ellicott's Commentary for English Readers - Isaiah 40:13
(13) Who hath directed the Spirit of the Lord?—The term, which had been used in a lower sense in Isaiah 40:7, is here clothed as with a Divine personality, answering, as it were, to the wisdom of Proverbs 8:22-30, with which the whole passage has a striking resemblance. Eastern cosmogonies might represent Bel or Ormuzd, as calling inferior deities into counsel (Cheyne). The prophet finds no other counsellor than One who is essentially one with the Eternal. read more
John Dummelow's Commentary on the Bible - Isaiah 40:1-31
The Proclamation of Deliverance1, 2. The theme of the prophecies following: the period of Zion’s trouble and affliction is over. 3-26. Celestial voices give the message of restoration to God’s people, who are encouraged by the thought of His infinite power. 27-31. Trust in Jehovah is, therefore, the source of true strength.2. Warfare] RM ’time of service,’ i.e. enforced service and hardship: cp. Job 7:1. Double] i.e. double (ample) penalty (Jeremiah 17:18), in the sufferings of the exile.3-5. A... read more