Abdu-Darda reported: The Prophet (peace be upon him) said, "Nothing will be heavier on the Day of Judgement in the scales than good manners. Allah hates one who utters foul or coarse language. (Ar-tirmdhi)
1. Be kind and courteous to the people around you. Good manners is paramount in practicing this religion/way of life well.
2. It is important not to use foul language in our daily discourse.
3. We should consider this hadith during moments of irritation/jealousy/miserliness/etc.
May Allah bless us with the best of manners and make us the ambassadors of proper conduct in and outside our homes. Ameen!