21. I do not frustrate the grace of God--I do not make it void, as thou, Peter, art doing by Judaizing.
for--justifying the strong expression "frustrate," or "make void."
is dead in vain--Greek, "Christ died needlessly," or "without just
cause." Christ's having died, shows that the law has no power to justify
us; for if the law can justify or make us righteous, the death of Christ
is superfluous [CHRYSOSTOM].
JFB.
Picture Study Bible