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 Abu Hurayrah (may Allah be pleased with him) regarding the virtues of wudu, the wudu that Allah commanded in His Book in His saying: In this wudu, these four limbs are purified: the face, the hands, the head, and the feet. This purification is both a physical purification and a spiritual purification. As for it being a physical purification, that is apparent, because a person washes his face, hands, and feet and wipes his head. The head was in a position to be washed just as the other limbs are washed, but Allah made it easier regarding the head because the head contains hair and is the highest part of the body. If the head were washed, especially if it has hair, it would be a hardship for people, especially in the days of winter. But out of the mercy of Allah (Mighty and Majestic), He made the obligation for the head to be wiping only. So when a person performs wudu, there is no doubt that he purifies the limbs of wudu with a physical purification. This indicates the perfection of Islam, where it is obligatory for its adherents to purify these limbs, which are generally visible and prominent. As for the spiritual purity, which is what the Muslim should aim for, it is his purification from sins. So when he washes his face, every sin that his eye looked at goes out. He mentioned the eye, and Allah knows best, by way of example; otherwise, the nose may err, and the mouth may err. A person may speak words that are forbidden, and he may smell things he has no right to smell. But he mentioned the eye because...