Genesis 17

In Genesis 17 circumcision is initiated as a sign of God’s covenant with Abraham and his descendents. Circumcision is still practiced among Jews to this day. The time following birth that is given for performing a circumcision is the 8th day. It needs to be noted the modern medicine has shown do to a peeking of potassium levels on the 8th day following birth making it the ideal time for performing a circumcision. God also changes Abraham name from Abram to Abraham and Sarah’s name Sarai from to Sarah

God also tells Abraham that next year Sarah would have a son and that his name is to be Isaac. It should be noted that Sarah was 90 years old at the time. God also tells Abraham about Ishmael decedents.