In this verse, Moses relays God's command to preserve an omer of manna as a lasting reminder for future generations. This instruction was significant because manna was the miraculous food provided by God to sustain the Israelites during their 40-year journey through the wilderness. By keeping a portion of manna, the Israelites were to remember how God provided for their needs in a desolate place, reinforcing the idea that God is a faithful provider.
The act of preserving the manna was not just about remembering the past but also about teaching future generations about God's faithfulness and care. It served as a tangible reminder that God is always present and provides for His people, even in the most challenging circumstances. This practice of remembrance is a recurring theme in the Bible, encouraging believers to recall God's past deeds as a source of strength and encouragement for the present and future. It underscores the importance of gratitude and faith, reminding believers to trust in God's provision and care.