Be truthful in words & deeds; Strive for Allah's favor & grace; Affirm truths & gain His mercy; Enter paradise through one door you like .

This hadith speaks about the importance of affirming the truth, which is a fundamental part of Islamic faith. It is narrated on the authority of Umar b. Hani that Allah would show mercy to those who affirm these truths and grant them entrance into paradise through one of eight doors, whichever they choose. This hadith emphasizes that by being truthful and honest in our words and deeds, we can gain Allah's favor and be rewarded with eternal bliss in paradise. It also teaches us that we should strive to be truthful in all aspects of our lives as it will bring us closer to Allah's mercy and grace.