Man Lā Yaḥḍuruh al-Faqīh

Hadith 1089
oaths-vows
4302 - وَ سَأَلَ إِسْمَاعِيلُ بْنُ سَعْدٍ أَبَا اَلْحَسَنِ اَلرِّضَا عَلَيْهِ اَلسَّلاَمُ : عَنِ اَلرَّجُلِ يَحْلِفُ بِالْيَمِينِ وَ ضَمِيرُهُ عَلَى غَيْرِ مَا حَلَفَ قَالَ "اَلْيَمِينُ عَلَى اَلضَّمِيرِ".
Hadith.4302 - Isma'il ibn Sa'd asked Abu al-Hasan Imam Ali ibn Musa Ar-Ridha (as) about a man who swears an oath, but his intention in the oath differs from the apparent wording. Imam (as) said: "The oath is based on the intention."
Source: Shaykh Muḥammad b. ʿAlī al-Ṣaduq