1 The Lord was gracious to Sarah, just as he had said he would be. He did for Sarah what he had promised to do.
2 Sarah became pregnant. She had a son by Abraham when he was old. He was born at the exact time God had promised him.
3 Abraham gave the name Isaac to the son Sarah had by him.
4 When his son Isaac was eight days old, Abraham circumcised him. He did it exactly as God had commanded him.