William Barclay's Daily Study Bible - Galatians 4:21-31
4:21-31 Tell me this--you who want to be subject to the law, you listen to it being read to you, don't you? Well, then, it stands written in it that Abraham had two sons; one was the son of the slave girl and one was the son of the free woman. But the son of the slave girl was born in the ordinary human way, whereas the son of the free woman was born through a promise. Now these things are an allegory. For these two women stand for two covenants. One of these covenants--the one which... read more
Matthew Henry's Complete Commentary - Galatians 4:21-31
In these verses the apostle illustrates the difference between believers who rested in Christ only and those judaizers who trusted in the law, by a comparison taken from the story of Isaac and Ishmael. This he introduces in such a manner as was proper to strike and impress their minds, and to convince them of their great weakness in departing from the truth, and suffering themselves to be deprived of the liberty of the gospel: Tell me, says he, you that desire to be under the law, do you not... read more