Christians in every generation are called, as Jude put it, to "contend for the faith once for all delivered to the saints." If we are not to fail in this calling, we must understand what contending for the faith looks like in our day and age. The mainstream cultural air we all breathe celebrates tolerance and pressures us to embrace perceived unity as the highest good. In this climate, any sort of division is seen as hateful and wrong. Yet to humbly explain and demonstrate the gospel of Jesus Christ to believer and unbeliever alike is the greatest kindness and the most loving act possible....