Speak positively about matters related to faith and belief in Allah and the Hereafter.

This hadith emphasizes the importance of speaking positively about matters related to faith and belief in Allah and the Hereafter. It is important to remember that our words have power and can either build up or tear down those around us. We should strive to use our words for good by speaking kindly and avoiding negative speech. Additionally, this hadith also encourages us to remain silent when we do not have anything positive or constructive to say about a matter related to faith. By doing so we can avoid causing harm with our words while still respecting others’ beliefs.