What is what bible verse says the blood of the covenant is thicker than the water of the womb?

The phrase "the blood of the covenant is thicker than the water of the womb" is often used to highlight the importance of chosen relationships over biological ones. However, this phrase is not directly found in the Bible.

The closest biblical reference to this idea can be found in Matthew 12:46-50, where Jesus redefines familial relationships by stating, "For whoever does the will of my Father in heaven is my brother and sister and mother." This passage emphasizes the importance of spiritual connection and shared beliefs over mere biological ties.

Overall, while the phrase itself is not a direct biblical quotation, the sentiment behind it can be seen reflected in the teachings of Jesus regarding the importance of spiritual relationships and unity in faith.