اتَّخَذوا أَيمانَهُم جُنَّةً فَصَدّوا عَن سَبيلِ اللَّهِ ۚ إِنَّهُم ساءَ ما كانوا يَعمَلونَ

They use their oaths as a shield, hindering others from God’s path. Their deeds are indeed deplorable.