[245] And he, His glory is might, said: "Whoever insults 'Ali has insulted me, and whoever insults me has insulted Allah, and whoever insults Allah, Allah will cast him headlong upon his nostrils into the Fire on the Day of Resurrection."

[246] And Galen the Sage said: "Preserve yourself from four things, for they are harmful to the human being: excessive sleep, excessive eating, excessive intercourse, and excessive speech. For excessive sleep makes the complexion pale, heavy-laden the body, causes the heart to die, increases the blood, causes swelling of the eyes, and diminishes the life. And excessive eating causes bloating of the stomach, indigestion, tearing of the navel, weakness of strength, thinness of the humors, heaviness of sight, brings about decrepitude, bodily harms, and languor in the body. Excessive intercourse causes dryness of the humors, weakens speech, and harms the person. Excessive speech causes slips, reduction of the brain, and the dominance of black bile. And the fundamental abandonment of what is permissible is indispensable for the seeker; his matter cannot be completed without it, no assistance is sought except upon it,