I mean that as long as the heir is not of age, he is no different from a slave, although he is the owner of everything, but he is under the supervision of guardians and administrators until the date set by his father. In the same way we also, when we were not of age, were enslaved to the elemental powers of the world. But when the fullness of time had come, God sent his Son, born of a woman, born under the law, to ransom those under the law, so that we might receive adoption. As proof that...