Our God is God, He does not change. His truth, His love remain each day the same. He's faithful to His matchless name. It has been said that the only constant thing in life is change. In the midst of change and uncertainty, we can trust in God who never changes.
When the psalmist wrote about the unchanging nature of God (102:27), he was offering this thought of comfort - the trustworthiness of God - to us. The idea is repeated in Hebrews 13:8 with these words, "Jesus Christ is the same yesterday, today, and forever". This can lift our hearts above our daily trials to remind us that an unchanging, trustworthy God rules over even the chaos of a changing world. He is an unchanging God in an ever-changing world.
Let the sameness of God waft over your heart with His peace in your storms. We can trust in God who does not change. His glorious attributes shall never change! His holiness, righteousness, omnipotence, omnipresence, omniscience will endure forever. His nature shall never change!