Explanation of the words of Imam al-Nawawi (may Allah have mercy on him) regarding what he quoted: "

The Shaykh : In the name of Allah, the Most Gracious, the Most Merciful.
The author (may Allah have mercy on him) stated, in what he quoted from Abdullah ibn Mughaffal (may Allah be pleased with him): And in a wording: Throwing pebbles and slinging. The scholars said: Its meaning is that a person places a pebble between the index finger and the thumb. The index finger is the finger next to the thumb. He places the pebble on the thumb and pushes it with the index finger, or places it on the index finger and pushes it with the thumb, then the stone flies and hits whatever Allah wills. But the Prophet (peace and blessings be upon him) forbade it, because, as he (peace and blessings be upon him) said: Meaning: It strikes it and crushes it if it hits him, and it does not catch game because it has no penetration, and it does not hurt the enemy, meaning it does not repel the enemy, because the enemy is only hurt by arrows, not by these small pebbles. So he boycotted him because he opposed the prohibition of the Prophet (peace and blessings be upon him). This is similar to what Abdullah ibn Umar did with one of his sons when he told him—meaning Ibn Umar told him—that the Prophet (peace and blessings be upon him) said: So one of his sons, who was Bilal according to most narrations—Bilal ibn Abdullah ibn Umar, not Bilal the muezzin—said: “By Allah, we will prevent them”, because women had changed after the time of the Prophet (peace and blessings be upon him) and people had changed. So Bilal said: “By Allah, we will prevent them”. He did not speak to him. This indicates the great reverence of the righteous Salaf for following the Sunnah. So this Abdullah ibn Mughaffal swore not to speak to his son because he threw pebbles, and the Prophet (peace and blessings be upon him) had forbidden throwing pebbles. And this Abdullah ibn Umar boycotted his son until he died because he said: “By Allah, we will prevent them”. And thus it is obligatory for every believer to revere the Sunnah of the Prophet (peace and blessings be upon him). But if someone asks: Does such a matter necessitate boycotting? And the Prophet (peace and blessings be upon him) forbade boycotting a believer for more than three days? The answer to this is: These two Companions and those like them who did what they did did so by way of disciplinary punishment (ta'zir), and they considered this a disciplinary measure for these two men. Otherwise, the principle is that if a believer commits a sin and repents from it, what has passed is forgiven for him. Even if disbelievers repent, Allah forgives them what has passed. Allah the Exalted said: Everything that has passed. But considering that these two Companions (may Allah be pleased with them) intended to discipline the one who opposed the command of the Prophet (peace and blessings be upon him), either by his speech or his action, even if it was based on independent reasoning (ijtihad), because Bilal ibn Abdullah ibn Umar only said that based on independent reasoning. But it is not permissible for a person to oppose the statement of the Messenger in this manner. The Messenger says: and he says: “By Allah, we will prevent them”. This is an apparent opposition. If he had said, for example: “Perhaps the Prophet (peace and blessings be upon him) intended this in a time when intentions were pure and deeds were upright, and circumstances have changed, and I am bringing it about in this way,” it would have been milder. For this reason, Aisha (may Allah be pleased with her)—but Aisha was a jurist—said: Meaning: From the mosques. But in any case, what Abdullah ibn Mughaffal and Abdullah ibn Umar (may Allah be pleased with them) did indicates the reverence for the Sunnah, and that a person must say regarding the ruling of Allah and His Messenger: We hear and we obey. And success is from Allah.