Tozer's definition of worship was very precise: True worship is to feel in the heart and to express in some appropriate manner a humbling, but delightful sense of admiring awe, wonder and overpowering love. Tozer's life exemplified his definition. As Raymond McAfee, his longtime song leader, wrote, His work and ministry, his preaching and writing, his personal and public life all revolved around five words: 'I fell down to worship' (Revelation 22:8). Two volumes of five cassettes each (one message each) plus a free sampler.