قَالَ النَّبِيُّ صلى الله عليه وسلم " لاَ عَدْوَى، وَلاَ صَفَرَ، وَلاَ هَامَةَ ". فَقَالَ أَعْرَابِيٌّ يَا رَسُولَ اللَّهِ فَمَا بَالُ الإِبِلِ تَكُونُ فِي الرَّمْلِ كَأَنَّهَا الظِّبَاءُ، فَيُخَالِطُهَا الْبَعِيرُ الأَجْرَبُ فَيُجْرِبُهَا. فَقَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " فَمَنْ أَعْدَى الأَوَّلَ ".
The Prophet (ﷺ) said, 'No 'Adha (i.e. no contagious disease is conveyed toothers without Allah's permission); nor (any evil omen m the month of)Safar; nor Hama" A bedouin said, "O Allah's Messenger (ﷺ)! What about thecamels which, when on the sand (desert) look like deers, but when amangy camel mixes with them they all get infected with mange?" On thatAllah s Apostle said, "Then who conveyed the (mange) disease to thefirst (mangy)camel?"