1. Galatians 4:30 (ESV)
  2. Exposition

From which Scripture passage does Paul quote in Galatians 4:30?

Galatians 4:30 (ESV)

30 But what does the Scripture say? “Cast out the slave woman and her son, for the son of the slave woman shall not inherit with the son of the free woman.”

Paul quotes from Genesis 21:10. In the traditional rabbinic interpretation of this passage, Ishmael is understood to have been teasing and mocking Isaac.1