Sahih Bukhari Volume 009, Book 083, Hadith Number 009.
Narrated By 'Abdullah bin 'Amr : The Prophet said, "Al-Kaba'ir (the biggest sins) are: To join others (as partners) in worship with Allah, to be undutiful to one's parents," or said, "to take a false oath." (The sub-narrator, Shu'ba is not sure) Mu'adh said: Shu'ba said, "Al-kaba'ir (the biggest sins) are:
- Joining others as partners in worship with Allah,
- To take a false oathÂ
- And to be undutiful to one's parents," or said, "to murder (someone unlawfully).