The apostle, having thus introduced the sun as a figure to represent the Father of lights, finding that it did not bear the full resemblance of the invisible God, seems constrained to amend it by a remark that, unlike the sun, our Father has no turning or variableness. The sun has its daily variation; it rises at a different time each day, and it sets at various hours in the course of the year. It moves into other parts of the heavens. It is clouded at times, and eclipsed at times. It also has tropic; or, turning. It turns its chariot to the South, until, at the solstice, God bids it reverse its rein, and then it visits us once more. But God is superior to all figures or emblems. He is immutable. The sun changes, mountains crumble, the ocean shall be dried up, the stars shall wither from the vault of night; but God, and God alone, remains ever the same. Were I to enter into a full discourse on the subject of immutability, my time, if multiplied by a high number, would fail me. But reminding you that there is no change in His power, justice, knowledge, oath, threatening, or decree, I will confine myself to the fact that His love to us knows no variation. How often it is called unchangeable, everlasting love! He loves me now as much as he did when first he inscribed my name in his eternal book of election. He has not repented of his choice. He has not blotted out one of his chosen; there are no erasures in that book; all whose names are written in it are safe for ever.
For meditation: As part of creation the sun speaks of the character of God (Romans 1:20) but even at its brightest can only give a glimpse of his glory. Praise God for the Lord Jesus Christ, the true light (John 1:9) whose face, when transfigured, shone like the sun (Matthew 17:2); God the Son has made God the Father of light known to us (John 1:18).
1st sermon at New Park St. 27 July (Preached 18 December 1853)