There's an emptiness in pursuing anything less than God's call. Darrell Bock is one of those baby boomers who has entered mid-life. A teacher at Dallas Theological Seminary, he writes in Christianity Today how as a young, idealistic man, headed for seminary, he thought being a successful Christian meant "being a winner for God, taking control, and doing all I could for his kingdom...The essence of our spirituality was to do all we could for God in the 40 or so years we had." Now, at mid-life, he has discovered that such spirituality is empty. Much of it was influenced by American culture with its bent toward independence and self-fulfillment. Darrell writes:

"Many pews on S…