But God said to Abraham, “Do not be upset concerning the boy and your slave wife. Whatever Sarah has said to you, listen to what she says, for in Isaac your descendants will be called.
Then God said, “No, but your wife Sarah will bear you a son, and you will call his name Isaac. I will establish My covenant with him as an everlasting covenant and with his descendants after him.
declaring the end from the beginning, and from ancient times the things that are not yet done, saying, “My counsel shall stand, and I will do all My good pleasure,”
Nevertheless what does the Scripture say? “Cast out the slave woman and her son, for the son of the slave woman shall not be heir with the son of the free woman.”
The Lord said to Samuel, “Obey the voice of the people in relation to all that they say to you. For it is not you they have rejected, but Me they have rejected from reigning over them.