Complex sentence: Rather than the mere reading of citations furnished by the practitioner or the perfunctory repetition of the letter (it) means the determined effort to give the lie to the lie and to feel the power of Christ operating to heal and save.
Split into simpler sentences: Rather than the mere reading of citations furnished by the practitioner or the perfunctory repetition of the letter. It means the determined effort to give the lie to the lie and to feel the power of Christ operating to heal and save.