Oaths and Vows (Kitab Al-Aiman Wa Al-Nudhur)

Dawud :: Book 21 : Hadith 3242

Narrated AbuHurayrah:

The Prophet (peace_be_upon_him) said: Do not swear by your fathers, or by your mothers, or by rivals to Allah; and swear by Allah only, and swear by Allah only when you are speaking the truth.

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star