Then King Prasenajit rose and said to the Buddha, "In the past, when I had not yet received the teachings of the Buddha, I met Katyayana and Vairatiputra, both of whom said that this body is annihilated after death, and that this is Nirvana. Now, although I have met the Buddha, I still have doubts about their words. How much I wish to be enlightened to the ways and means to perceive and realize the true mind, thereby proving that it transcends production and extinction! All those who have karmic outflows also wish to be instructed on this subject." The Buddha said to the great king, "Now I ask you, as it is now is your physical body indestructible and living forever? Or does it change and go bad?" "World Honored One, this body of mine will keep changing until it eventually becomes extinct." The Buddha said, "Great king, you have not yet become extinct. How do you know you will become extinct?" "World Honored One, although my impermanent, cha...