Al-Mukhtasar
وَلَا تُجَـٰدِلْ عَنِ ٱلَّذِينَ يَخْتَانُونَ أَنفُسَهُمْ ۚ إِنَّ ٱللَّهَ لَا يُحِبُّ مَن كَانَ خَوَّانًا أَثِيمًا ﴿١٠٧﴾
Do not argue on behalf of any person who commits a sin denying it, until you come to know more about the matter. Allah does not love these deceitful liars.