What does the Bible say about Abraham giving everything to Isaac?

In Genesis 25:5, it is stated that 'Abraham gave all that he had unto Isaac.' This underscores the unique position Isaac held as the child of promise, through whom God chose to establish His covenant. Unlike the other sons born to Abraham's concubines, who received gifts and were sent away, Isaac alone received the covenantal blessings and inheritance appointed by God. This act highlights the distinction that God made between Isaac and the others, showing that the promises of God were bound to Isaac's lineage and ultimately to Christ. The blessings given to Isaac were not merely material but encompassed the spiritual promises of God, which are paramount for our faith.