Narrated 'Aisha: The Prophet ﷺ said, "Do not abuse the dead, for they have reached the result of what they have done".
It also reminds us that our words can hurt others even if they are no longer alive; therefore, it is important for us to think before we speak or act in order to avoid causing any harm or distress. We must remember that Allah SWT knows all things and will judge each person accordingly on the Day of Judgment; thus, it is important for us to be mindful of our words and actions at all times so as not to incur His wrath or displeasure upon ourselves or anyone else.