Sayyiduna Umar bin Khattab (may Allah be pleased with him) said to the people: "Whoever among you has knowledge from the Messenger of Allah (peace and blessings be upon him) regarding the grandfather, let him stand up." Sayyiduna Ma'qil bin Yasar Al-Muzani (may Allah be pleased with him) stood up and said: "The Messenger of Allah (peace and blessings be upon him) gave a ruling among us regarding the grandfather." Umar (may Allah be pleased with him) asked: "How much did he give him?" He said: "One-sixth." He asked: "With whom?" He said: "I do not know." He (Umar) said: "Then you do not know anything."