Refrain from making judgments on others; recognize one’s own limitations; seek repentance sincerely when needed ;be mindful of one’s words and actions .

This hadith speaks to the power of Allah's mercy and forgiveness. It tells us that we should never make assumptions about who will or won't be forgiven by Allah. We should never take an oath in His name that someone will not be forgiven because only He has the power to do so. This hadith also teaches us that our good deeds can become fruitless if we make such assumptions or take such oaths. We must always remember that no matter how bad a person may have been in their life, it is still possible for them to receive forgiveness from Allah if they repent sincerely and ask for His mercy. Therefore, it is important for us to always keep this in mind when dealing with others and refrain from making any judgments on who deserves or does not deserve forgiveness from Him.