After an organ transplant, doctors...
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"After an organ transplant, doctors must use anti-rejection drugs to suppress the immune system or else the body will throw off the newly grafted member. I've come to see the Holy Spirit as something like that, a power living inside me that keeps me from throwing off the new identity God has implanted. My spiritual immune system needs daily reminders that God's presence belongs within me and is no foreign object." (Philip Yancey, "Reaching for God," in Plus magazine, 12/2002, 14.)