قَالَ أَبُو دَاوُدَ قُرِئَ عَلَى الْحَارِثِ بْنِ مِسْكِينٍ وَأَنَا شَاهِدٌ، أَخْبَرَكُمْ أَشْهَبُ، قَالَ سُئِلَ مَالِكٌ عَنْ قَوْلِهِ " لاَ صَفَرَ " . قَالَ إِنَّ أَهْلَ الْجَاهِلِيَّةِ كَانُوا يُحِلُّونَ صَفَرَ يُحِلُّونَهُ عَامًا وَيُحَرِّمُونَهُ عَامًا فَقَالَ النَّبِيُّ صلى الله عليه وسلم " لاَ صَفَرَ " .
Abu Dawud said: Malik was asked about the meaning of his saying: There is no safar. He replied: The people of pre-Islamic Arabia used to make the month of safar lawful (for war). They made it lawful in one year and unlawful in another year. The Prophet (PBUH) said: There is no safar. Translation Not Available
Book Ref: Sunan Abi Dawud Book 30 Hadith 3914
Web Ref: Sunan Abi Dawud Book 29 Hadith 3904