By “Repentance unto life,” I think we are to understand that repentance which is accompanied by spiritual life in the soul, and ensures eternal life to every one who possesses it. “Repentance unto life,” I say, brings with it spiritual life, or rather, is the first consequent thereof. There are repentances which are not signs of life, except of natural life, because they are only effected by the power of the conscience and the voice of nature speaking in men; but the repentance here spoken of is produced by the Author of life, and when it comes, it begets such life in the soul, that he who was “dead in trespasses and sins,” is quickened together with Christ; he who had no spiritual susceptibilities, now “receives with meekness the engrafted word;” he who slumbered in the very center of corruption, receives power to become one of the sons of God, and to be near his throne. This I think is “repentance unto life,”—that which gives life unto a dead spirit. I have said also, this repentance ensures eternal life; for there are repentances of which you hear men speaks which do not secure the salvation of the soul. Some preachers will affirm that men may repent, and may believe, and yet may fall away and perish. We will not consume our time by stopping to expose their error this morning; we have often considered it before, and have refuted all that they could say in defense of their dogma. Let us think of an infinitely better repentance. The repentance of our test is not their repentance, but it is a “repentance unto life;” a repentance which is a true sign of eternal salvation in Christ; a repentance which preserves us through this temporary state in Jesus, and which when we are passed into eternity, gives us a bliss which cannot be destroyed. “Repentance unto life “is the act of salvation of the soul, the germ which contains all the essentials of salvation, which secures them to us, and prepares us for them.
– Charles H. Spurgeon