Christians all too often view the gospel as the entrance into the kingdom, but soon after leave it behind in pursuit of some greater knowledge or ecstatic experience. But Jesus Christ and Him crucified is the theme of all God's revelation.
There are so many voices in our world claiming to have truth. Many promote the postmodern idea that truth is relative, and yet demand that others conform to their version of truth! God has revealed His truth in His word, and once it invades our hearts, it changes us from the inside out.