For thus says the Lord God, the Holy One of Israel: “In returning and rest you shall be saved; in quietness and confidence shall be your strength.” But you would not. (Isaiah 30:15)
Isaiah 30 was written in the context of a terrible invasion by the cruel Assyrian Empire. They threatened to destroy the Kingdom of Judah, even as they had other kingdoms stronger. In the shadow of this threat, Judah chose to not trust God and instead chose to trust in an alliance with Egypt.
God wanted them to know that He really could protect them against the Assyrians. If they would only trust in Him, then “In returning and rest you shall be saved; in quietness and confidence shall be your strength.” God offered to Judah the promise of protection from Assyria. They didn’t need to look to Egypt for help. They could have trusted God for His promise. Isaiah 30:15 shows us how to trust God’s promise.
Trusting God’s promise means returning. If there is known disobedience in our lives, we must return to the Lord’s ways. Outright sin is never consistent with real trust in God’s promise. Returning also has the idea of drawing close to the Lord.
Trusting God’s promise means rest. When we trust God, we don’t have to strive to protect and guard ourselves. We have the best Protector and Guard in God. We can rest in Him, and when we do, it shows we are really trusting in His promise.
Trusting God’s promise means quietness. You don’t need to argue for your side when God is on your side. Be quiet before Him and before others. It shows that you really trust Him.
Trusting God’s promise means confidence. You aren’t given to despair or fear, because you trust God’s promise. You know He can and will come through, and you have a profound confidence in the God who loves you.
All of these things together mean a real trust in God’s promise, and it means that we shall be saved, and it means that we will find strength. There is no person walking this earth more powerful than a child of God boldly and properly trusting the promise of the living God!
Sadly, this was not the case with Judah in the days of Isaiah. He describes the sad fate they faced in rejecting God’s promise: “But you would not.” If they would have trusted God’s promise they would have had no reason to flee and would have seen the Lord’s salvation and strength instead.
How much better it is to simply believe God and His promises for us; to know that “In returning and rest you shall be saved; in quietness and confidence shall be your strength.” He is good enough and great enough to keep that promise.