[My father] was always very adamant about one thing - if you can't trust the Book of Genesis as literal history, then you can't trust the rest of the Bible. After all, every single doctrine of biblical theology is founded in the history of Genesis 1-11. My father had not developed his thinking in this area as much as we have today at Answers in Genesis, but he clearly understood that if Adam wasn't created from dust, and that if he didn't fall into sin as Genesis states, then the gospel message of the New Testament can't be true either.

Raising Godly Children in an Ungodly World: Leaving a Lasting Legacy (2008)