Believe in Allah's protection from deception .

The hadith reported by Ibn Umar warns people about the false messiah, known as Dajjal. According to the hadith, Allah's Messenger described him as being blind in his right eye with an eye resembling a floating grape. This is meant to be a warning for believers so that they can recognize and avoid this false messiah. It is important for Muslims to remember that Allah is not one-eyed and that He has perfect vision; therefore any other figure claiming to be God or His messenger should be avoided at all costs. This hadith also serves as a reminder of how powerful Allah is and how He will protect His believers from any harm or deception caused by this false messiah.