In Isaiah 30:21, the prophet writes:
Although the Lord gives you the bread of adversity and the water of affliction, your teachers will be hidden no more; with your own eyes you will see them. Whether you turn to the right or to the left, your ears will hear a voice behind you, saying, "This is the way; walk in it." Then you will desecrate your idols overlaid with silver and your images covered with gold; you will throw them away like a menstrual cloth and say to them, "Away with you!"
Isaiah 30:20-22 (NIV empahsis mine)
How should this verse be understood? On the one hand I could see it being read as, "Whichever way you turn, you'll have a voice confirming that this was the correct choice." On the other hand, I could also read it as, "If you start to deviate from the path, you will have a voice that corrects you and guides you back to the path." Does either of these glosses capture what is being said here to Israel? Is this a picture of confirmation or correction or something else?