Licensed to Kill: A Field Manual for Mortifying Sin

Your soul is a war zone: know your enemy, learn to fight.

The Christian life is not a playground, but a battleground. One of the fiercest foes in this battle dwells within our own hearts: the enemy of indwelling sin. The Scriptures command us to “put sin to death.” This is what pastors and theologians of another generation called the “mortification” of sin.

But how do we mortify sin? And what role does the gospel play in this effort to apply lethal force against sin? How can we avoid fallin...