Luqman reported: Abu Darda, may Allah be pleased with him, said, “Verily, I fear from my Lord on the Day of Resurrection that I will be called in front of the heads of all creation, saying: O ‘Uwaymir! I will say: At your service, my Lord. He will say: Did you not act upon what you knew?”

Source: Shu’ab al-Ima?n 1712

Grade: Sahih li ghayrihi (authentic due to external evidence) according to Al-Albani