The Apostle Paul
Galatians 4:7BSB·traditional attribution

So you are no longer a slave, but a son; and since you are a son, you are also an heir through God.

John Calvin Reformed @genevareformer

7. Wherefore thou art no more a servant. In the Christian Church slavery no longer exists, but the condition of the children is free. In what respect the fathers under the law were slaves, we have already inquired; for their freedom was not yet revealed, but was hidden under the coverings and yoke of the law. Our attention is again directed to the distinction between the Old and New Testaments.

Matthew Henry Presbyterian @wholebiblehenry

In this chapter the apostle deals plainly with those who hearkened to the judaizing teachers, who cried up the law of Moses in competition with the gospel of Christ, and endeavored to bring them under the bondage of it. To convince them of their folly, and to rectify their mistake herein, in these verses he prosecutes the comparison of a child under age, which he...

Commenting on Galatians 4:1-7

John Gill Reformed Baptist @doctorgill

Wherefore thou art no more a servant,.... This is a benefit resulting from adoption, and the manifestation of it to the children of God, and supposes them to have been formerly servants; as whilst in a natural state they were the servants of sin, the vassals of Satan, slaves to the world, and the lusts of it, and in bondage to the law; but now...