Psalm 105:9 tells us that God keeps the covenant he made with Abraham and renews that same promise to Abraham’s son Isaac, which means his word can be trusted across generations. The verse is part of a longer psalm that calls Israel to remember what the LORD has done, and it was written to the people of Israel as a reminder of God’s faithfulness to their ancestors.
The covenant which he made with Abraham, his oath to Isaac…
Psalm 105:9 (WEB)
What Psalm 105:9 Means
The phrase “the covenant which he made with Abraham” points back to God’s earlier promise, recorded in Genesis, that Abraham would become a great nation and that his descendants would receive a land and a blessing. A covenant in the Bible is a binding agreement, and God is the one who binds himself to it. The verse does not describe Abraham keeping his side of a deal; it describes God remembering what he has already pledged.
The words “his oath to Isaac” show that the promise did not end with Abraham. God affirmed it to Isaac, and the psalmist treats that repetition as evidence of steadiness. An oath is a solemn commitment, so the verse emphasizes that God’s word carries weight from one generation to the next.
What the verse does not promise is that every circumstance will go smoothly or that believers will never face hardship. It speaks to the reliability of God’s character and his commitments. It is a statement about faithfulness, not a guarantee of any particular outcome in a particular year.
The Context of Psalm 105:9
Psalm 105 is a hymn of thanksgiving that retells the history of Israel, moving from the patriarchs through the time in Egypt and the Exodus to the settlement in the land. The psalm is traditionally attributed to David, though the text itself does not name its author, and it is usually read as a liturgical poem sung by the community of Israel. Its audience is the descendants of Abraham, whom the psalm addresses directly as God’s servants and chosen ones.
Just before verse 9, the psalmist calls the people to remember God’s judgments and his covenant “forever,” and verses 10 through 12 continue the thought by naming the land of Canaan as the inheritance God promised. Reading verse 9 inside this sequence shows that remembering the covenant is not an abstract exercise. It is tied to a concrete history of God bringing his people to a place he had said he would give them, even when they were few and foreign in the land.
Key Phrases in Psalm 105:9
Genesis 15:18
In that day the LORD made a covenant with Abram, saying, “I have given this land to your offspring, from the river of Egypt to the great river, the river Euphrates…
(WEB)
This verse records God making a covenant with Abraham about the land, which is the same covenant Psalm 105:9 recalls. Reading it alongside the psalm shows how the later Israelites understood their history as rooted in that original promise.
Hebrews 6:17
In this way God, being determined to show more abundantly to the heirs of the promise the immutability of his counsel, interposed with an oath…
(WEB)
The writer of Hebrews uses God’s oath to Abraham as an example of how unchangeable God’s purpose is. This connects the Old Testament promise to the New Testament assurance that God’s word is secure.
A Short Prayer From Psalm 105:9
Lord, you remembered your covenant with Abraham and kept your oath to Isaac, and you have never stopped being faithful to the people you have called. Help me to remember your promises when the future looks unclear and when my own plans feel fragile. Teach me to rest in your character rather than in my circumstances. Where I have doubted whether you will keep your word to me, draw me back to the truth that you do not change. Strengthen my trust in you today, and let my life speak of your faithfulness to others. Amen.
