Prohibition of Swearing in the name of anything besides Allah

Imam Al-Nawawi’s Riyad-us-Saliheen
Chapter 314
Prohibition of Swearing in the name of anything besides Allah

1707. Ibn `Umar (May Allah be pleased with them) said: The Prophet (sallallaahu ’alayhi wa sallam) said, “Allah has prohibited you from taking an oath by your fathers. He who must take an oath, may do so by swearing in the Name of Allah or he should remain silent.
[Al-Bukhari and Muslim].

1708. `Abdur-Rahman bin Samurah (May Allah be pleased with him) said: The Messenger of Allah (sallallaahu ’alayhi wa sallam) said, “Swear neither by the name of Taghut (i.e., false deities, false leaders, etc.) nor by your fathers.
[Muslim].

1709. Buraidah (May Allah be pleased with him) said: The Messenger of Allah (sallallaahu ’alayhi wa sallam) said, “He who swears by Amanah (trust) is not one of us.
[Abu Dawud with authentic Isnad].

1710. Buraidah (May Allah be pleased with him) reported: The Messenger of Allah (sallallaahu ’alayhi wa sallam) said, “If anyone swears that in such and such case he will be free from Islam and afterwards he turns out to be a liar, he will be as he has sworn; but if he is speaking the truth, he will not revert safely to Islam.
[Abu Dawud].

1711. Ibn `Umar (May Allah be pleased with them) said: I heard a man saying: “No, by the Ka`bah.” I admonished him: “Do not swear by any thing besides Allah, for I heard the Messenger of Allah (sallallaahu ’alayhi wa sallam) saying, `He who swears by anyone or anything other than Allah, has indeed committed an act of Kufr or Shirk’.”
[At-Tirmidhi].