Sayyiduna Abdullah bin Umar (may Allah be pleased with them both) considered castration to be disliked, and used to say that keeping the testicles completes procreation.

It reached Safwan bin Salim that the Messenger of Allah, peace and blessings be upon him, said: "I and the caretaker of an orphan, whether he is a relative of the orphan or not, will be in Paradise like these two fingers, as long as he is God-fearing." And the Prophet, peace and blessings be upon him, pointed to the index finger and the middle finger.

It is narrated from Yahya ibn Sa'id that Sayyiduna Abu Qatadah Ansari (may Allah be pleased with him) said to the Messenger of Allah (peace and blessings be upon him): "My hair reaches my shoulders, should I comb it?" The Messenger of Allah (peace and blessings be upon him) said: "Yes! Comb it and honor the hair." Sayyiduna Abu Qatadah Ansari (may Allah be pleased with him) would sometimes apply oil twice in one day, because the Messenger of Allah (peace and blessings be upon him) had said: "Honor the hair."

It is narrated from Hazrat Ata bin Yasar that the Messenger of Allah, peace and blessings be upon him, was sitting in the mosque when a man with disheveled hair and beard came. The Prophet, peace and blessings be upon him, gestured to him, meaning: go outside the mosque and tidy your hair, then come back. The man tidied himself and returned. The Prophet, peace and blessings be upon him, said: "Is this not better than if one of you comes with a disheveled head, like Satan?"

It is narrated from Abu Salamah bin Abdur Rahman that Abdur Rahman bin Aswad was his companion, and all the hair of his head and beard was white. One morning he came with red dye applied to his hair, so the people said: It is good. He replied: My mother, Sayyida Aisha (may Allah be pleased with her), sent a message through her slave girl Nakheela, making her swear an oath, that you must apply dye to your hair. And she stated that our master Abu Bakr Siddiq (may Allah be pleased with him) also used to apply dye.

Imam Malik, may Allah have mercy on him, said: I have not heard any hadith regarding black dye, and any color other than black is better, and not using dye at all is much better if Allah wills, and there is no hardship upon people in this matter.

Imam Malik, may Allah have mercy on him, said: From this hadith it is understood that the Messenger of Allah, peace and blessings be upon him, did not use dye; if he had used it, then Lady Aisha, may Allah be pleased with her, would have sent this message to Abdur Rahman.

Sayyiduna Khalid bin Walid (may Allah be pleased with him) said to the Messenger of Allah (peace and blessings of Allah be upon him): I am afraid while sleeping. The Messenger of Allah (peace and blessings of Allah be upon him) said: "Recite this «أَعُوذُ بِكَلِمَاتِ اللّٰهِ التَّامَّةِ، مِنْ غَضَبِهِ وَعِقَابِهِ، وَشَرِّ عِبَادِهِ، وَمِنْ هَمَزَاتِ الشَّيَاطِينِ وَأَنْ يَحْضُرُونِ» I seek refuge in the perfect words of Allah from His anger and His punishment, and from the evil of His servants, and from the whisperings of devils, and from their coming near me."

It is narrated from Yahya bin Saeed that on the night when the Messenger of Allah, peace and blessings be upon him, was taken on the Night Journey (Mi'raj), a giant appeared, as if he had a flame of fire in one of his hands. Whenever the Messenger of Allah, peace and blessings be upon him, looked, he would see him coming towards him. Jibreel (Gabriel), peace be upon him, said: "Shall I teach you some words, so that if you say them, his flame will be extinguished?" The Messenger of Allah, peace and blessings be upon him, said: "Why not, teach me." Jibreel, peace be upon him, said: "Say! «‏‏‏‏أَعُوذُ بِوَجْهِ اللّٰهِ الْكَرِيمِ....» That is: I seek refuge in the Face (i.e., the Essence) of Allah, the Most Mighty, and in His perfect words, which neither the righteous nor the wicked can surpass (i.e., none has more knowledge than them), from the evil of what descends from the sky, and what ascends to it, and from the evil of what He has created in the earth, and what comes out of it, and from the trials of night and day, and from the calamities of night and day, and from sudden misfortunes, except the misfortune that brings good, O Most Merciful."

It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that a man from the tribe of Aslam said: "I did not sleep at night." The Messenger of Allah (peace and blessings be upon him) asked: "Why, for what reason?" He replied: "A scorpion stung me." The Messenger of Allah (peace and blessings be upon him) said: "If you had said this in the evening «أَعُوذُ بِكَلِمَاتِ اللّٰهِ التَّامَّاتِ مِنْ شَرِّ مَا خَلَقَ» that is: I seek refuge in the perfect words of Allah from the evil of what He has created, then the scorpion would not have harmed you."

It is narrated from Hazrat Qa’qa’ bin Hakim that Ka’b al-Ahbar (who was a great scholar among the Jews and then became a Muslim) said: If I did not recite a few words, the Jews (by doing magic) would have turned me into a donkey. People asked: What are those words? Ka’b said: «أَعُوذُ بِوَجْهِ اللّٰهِ الْعَظِيمِ......» That is:“I seek refuge in the Face (i.e., the Essence) of Allah, Who is Most Great—there is nothing greater in greatness than Him—and in the complete words of Allah, which neither the righteous nor the wicked can surpass (i.e., none has more knowledge than them), and in all the beautiful names of Allah, those which I know and those which I do not know, from the evil of that which He has created, originated, and spread.”