In this verse, the psalmist is calling upon God to remember His covenant with His people, Israel. The reference to the nation God purchased long ago speaks to the idea of redemption, where God has chosen and saved His people from bondage. This act of redemption is a foundational theme in the Bible, symbolizing God's love and commitment to His people. The mention of Mount Zion is significant because it represents the spiritual and physical center of God's presence among His people. It is a place where God dwelt, signifying His closeness and the special relationship He has with His chosen ones.
The verse serves as a reminder of God's faithfulness and the enduring nature of His promises. It reassures believers that even when they face challenges or feel forgotten, God remains attentive and committed to them. This plea for remembrance is not just about recalling past deeds but also about invoking God's continued presence and intervention in the lives of His people. For Christians today, this verse can be a source of comfort, reminding them of God's unchanging love and the assurance that they are part of His divine plan.