Until recently, I had missed the contextual power of Isaiah 55:10-11. Commentator Alec Motyer helped me see the wonder of these verses in a new way. They promise:
For as the rain and the snow come down from heaven and do not return there but water the earth, making it bring forth and sprout, giving seed to the sower and bread to the eater, so shall my word be that goes out from my mouth; it shall not return to me empty, but it shall accomplish that which I purpose, and shall succeed in the thing for which I sent it (ESV).
I had thought of them as primarily a comfort for those who are speaking the gospel; and they are. Often, Christians use this text to encourage a brother who with great trepidation spoke to a non-Christian or in some difficult circumstance. His words may not have been eloquent, but God’s word was spoken, and we take comfort in knowing that they have power. That is not a wrong application, but the context presses us to an higher purpose and even better use for these great promises.
These words of comfort were given to those who were straying and should have been […]