natural law (fitrah)

أَئِنَّكُمْ لَتَأْتُونَ ٱلرِّجَالَ شَهْوَةً مِّن دُونِ ٱلنِّسَآءِ ۚ بَلْ أَنتُمْ قَوْمٌ تَجْهَلُونَ

Do you indeed approach men with desire instead of women? Rather, you are a people behaving ignorantly."