Narrated `Aisha: This Verse: "Allah will not punish you for what is unintentional in your oaths." (5.89) was revealed about a man's state men (during his talk), "No, by Allah," and "Yes, by Allah."
Hadith Referenceصحيح البخاري / كتاب تفسير القرآن / 4613
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة
Narrated Aisha: That her father (Abu Bakr) never broke his oath till Allah revealed the order of the legal expiation for oath. Abu Bakr said, "If I ever take an oath (to do something) and later find that to do something else is better, then I accept Allah's permission and do that which is better, (and do the legal expiation for my oath ) ".
Hadith Referenceصحيح البخاري / كتاب تفسير القرآن / 4614
Hadith Gradingمحدثین:أحاديث صحيح البخاريّ كلّها صحيحة