People ask you about the significance of the phases of the moon. Let them know: “They are simply a part of the natural calendar so that people [keep track of time] and prepare themselves for [the religious rituals such as] the pilgrimage to Mecca.” [In this connection let them know that:] “The virtue is not [practicing a bunch of nonsense such as] entering your houses from the back [as it was practiced before the advent of Islam during the month of the pilgrimage.] The real virtue is to respect the Lord. So (do not act like the idiots and) enter your houses by their proper doors; respect the Lord so that you may be included among the successful ones.