that should make it closer that their testimony would be in its true nature and shape or else they would fear that oaths would be admitted after their oaths. and have taqwa of allah and listen . and allah guides not the rebellious people.
ذلك أدنى أن يأتوا بالشهادة على وجهها أو يخافوا أن ترد أيمان بعد أيمانهم واتقوا الله واسمعوا والله لا يهدي القوم الفاسقين