Abstain from intoxicants such as wine ; Seek knowledge ; Understand grandfather’s share when there are no descendants or ascendants left as heirs ; Understand details about usury .

This hadith talks about the prohibition of wine which is made from five things namely grapes, dates, honey, wheat and barley. It also mentions that wine has a negative effect on one’s mind. Furthermore, it states that Umar wished that the Prophet would have explained three things to them in more detail before leaving them; these were grandfather’s share when there are no descendants or ascendants left as heirs and details about usury. This hadith teaches us to stay away from intoxicants such as wine as they can be harmful for our minds and bodies. It also reminds us of how important it is to seek knowledge even if we don't understand something fully at first glance.