(14) باب يَحُولُ بَيْنَ الْمَرْءِ وَقَلْبِهِ
Narrated `Abdullah:
When taking an oath, the Prophet (ﷺ) very often used to say, "No, by Him Who turns the hearts."
Reference: Sahih al-Bukhari 6617
In-book reference: Book 82, Hadith 23
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 8, Book 77, Hadith 614