Be honest with others and seek guidance from Allah before making decisions in life.

This hadith is about a man who refused to tell another man his mistake. It teaches us that it is important to be honest and not hide our mistakes from others. We should also be careful not to judge someone else's mistakes too harshly or without understanding the full context of the situation. Instead, we should strive for understanding and forgiveness when possible. Additionally, this hadith encourages us to seek guidance from Allah through prayer and supplication before making any decisions in life as He knows best what is right for us.