…they remembered not the multitude of Thy mercies… – Psalm 106:7
Children forget what they learn unless they understand it. They may pass the School Board standards, and yet in a few years they may know very little. The capacity for forgetting in some children is amazing. Many even among grown-up people have splendid memories for forgetting. Alas! it is the case with certain of the Lord’s people. That which we do not understand we readily forget. When a child understands his lesson thoroughly, it will be fixed in his memory; but if he has merely learned the words, and has not entered into their senses, do you wonder that his lesson slips away? So was it with Israel in Egypt and at the Red Sea. Those sentences follow each other in true logical order: “They understood not Thy wonders in Egypt; they remembered not the multitude of Thy mercies.” A grievous thing is this, when God sends mercy, and mercy, and mercy, and mercy, and mercy, and mercy-heaps of mercies, loads of mercies, hills of mercies, mountains of mercies, worlds of mercies, and yet men forget. His mercies are more than the stars, more than the drops of dew, more than the sands on the seashore, and yet we do not remember. This is a mournful and inexcusable fault!
Mercies should be remembered. It is a great wrong to God when we bury His mercies in the grave of unthankfulness. Especially is this the case with distinguishing mercies, wherein the Lord makes us to differ from others. Light, when the rest of the land is in darkness! Life, when others are smitten with the sword of death! Liberty from an iron bondage! O Christians, these are not things to be forgotten! Abundantly utter the memory of distinguishing mercies! Discriminating grace deserves unceasing memorials of praise. ~ C.H. Spurgeon
https://www.blueletterbible.org/comm/spurgeon_charles/sermons/2204.cfm