Christ has provided us with armor that is sufficient to withstand all of the devil’s accusations, and the helmet of salvation performs the vital function of protecting our minds. In sharp contrast to mindless faith, Alistair Begg stresses the importance of engaging our minds from a Christian perspective and thinking properly about salvation. Not earned or deserved, justification is God’s gift for all who believe. By understanding Scripture and trusting unreservedly in the finished work of Christ, we render Satan’s insinuations powerless.