An Excerpt from the 3rd Edition of Reasonable Faith by William Lane Craig:
In high school and college Christian teenagers are intellectually assaulted with every manner of non-Christian worldview coupled with an over-whelming relativism. If parents are not intellectually engaged with their faith and do not have sound arguments for Christian theism and good answers to their children’s questions, then we are in real danger of losing our youth. It’s no longer enough to teach our children Bible stories; they need doctrine and apologetics. Frankly, I find it hard to understand how people today can risk parenthood without having studied apologetics.
Unfortunately, our churches have largely dropped the ball in this area. It’s insufficient for youth groups and Sunday school classes to focus on entertainment and simpering devotional thoughts. We’ve got to train our kids for war. We dare not send them out to public high school and university armed with rubber swords and plastic armour. The time for playing games is past.