Sahih al-Bukhari 6388
Book 80: Invocations · Hadith 83
Hadith text
Narrated Ibn `Abbas:The Prophet (ﷺ) said, "If anyone of you, when intending to have a sexual intercourse with his wife, says: 'Bismillah, Allahumma jannibna-sh-shaitan, wa jannibi-sh-shaitan ma razaqtana,' and if the couple are destined to have a child (out of that very sexual relation), then Satan will never be able to harm that child
Ibn Abbas bataate hain: Nabi (SAW) ne farmaya, 'Agar tum mein se koi apni biwi ke saath humbistari ka iraada karte waqt kahe, "Bismillah, Allahumma Jannibnash-Shaitan, Wa Jannibish-Shaitan Ma Razaqtana," (Allah ke naam se; Aye Allah! Humein Shaitaan se door rakh, aur jo tu humein de use Shaitaan se door rakh) aur agar unke naseeb mein us mulaaqaat se bacha hona muqaddar ho, to Shaitaan us bacche ko kabhi nuqsaan nahi pahunchaa payega.'
Sahih al-Bukhari 6388 · Book 80, Hadith 83