Eventually, when lying and deception were common among men, it became necessary for them to swear to the truthfulness of important matters.
عَلَى سَبِيلِ ٱلْمِثَالِ ،‏ ٱسْتَخْدَمَ إِبْرَاهِيمُ ٱلْقَسَمَ كَأَدَاةٍ قَانُونِيَّةٍ فِي ثَلَاثِ مُنَاسَبَاتٍ عَلَى ٱلْأَقَلِّ .‏