Also, God’s Law required the taking of a sworn oath to settle certain disputes. Thus, it may be necessary for a Christian to swear to tell the truth when testifying in a court of law.
وَبِذلِكَ شَجَبَ ٱلْعَادَةَ ٱلَّتِي دَرَجَتْ بَيْنَ ٱلنَّاسِ أَنْ يَحْلِفُوا تَكْرَارًا فِي حَدِيثِهِمِ ٱلْيَوْمِيِّ لِأَتْفَهِ ٱلْأَسْبَابِ ،‏ دُونَ أَيَّةِ نِيَّةٍ فِي تَنْفِيذِ مَا يَقُولُونَهُ .‏