Buddhist Morning Thought #13 Healing LIfe

I am much distressed to hear that your illness has become so serious. Swords exist to cut down enemies, however, and medicine exists to cure sickness. King Ajatashatru murdered his father and made himself an enemy of Buddha. But after foul sores broke out on his body, he converted to the Buddha's teachings and embraced the Lotus Sutra, whereupon his sores healed and he prolonged his life by forty years. (WND, 610)

Buddhist Morning Thought #40, Enlightenment

 This teaching was not propagated in the Former or Middle Day of the Law because the other sutras had not yet lost their power of benefit. ...