Know, may God help you, that everything other than God is defective in essence. It is true by accident, for health is exposed to the one who has innovated if God loves him with a love for a reason, such as his love for those who seek nearness with voluntary acts, so their hearing and sight will be true, so sickness and ailment will go away from him, and he will be healthy, so his sight will penetrate into every sight and his hearing into every hearing. As for what is true in essence, The one who is ill with the symptom is