4 But when the fullness of time had come, God sent his Son, born of a woman, born under the law,5 in order to redeem those who were under the law, so that we might receive adoption as his children.6 Now because you are his children, God has sent the Spirit of his Son into our hearts to cry out, "Abba! Father!"7 So you are no longer a slave but a child, and if you are a child, then you are also an heir through God.