Sahih al-Bukhari 4552
Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))
"Verily, those who purchase a small gain at the cost of Allah's Covenant and their oaths, they shall have no portion in the Hereafter (Paradise)... (till) ... and they shall have a painful torment." (V.3 -77)
Narrated Ibn Abu Mulaika: Two women were stitching shoes in a house or a room. Then one of them came out with an awl driven into her hand, and she sued the other for it. The case was brought before Ibn `Abbas, Ibn `Abbas said, "Allah's Messenger (ﷺ) said, 'If people were to be given what they claim (without proving their claim) the life and property of the nation would be lost.' Will you remind her (i.e. the defendant), of Allah and recite before her:--"Verily! Those who purchase a small gain at the cost of Allah's Covenant and their oaths..."(3:77) So they reminded her and she confessed. Ibn `Abbas then said, "The Prophet (ﷺ) said, 'The oath is to be taken by the defendant (in the absence of any proof against him).