I said to him: Abu Abd al-Rahrman, I wish if you abandon this renting of land, for they alleged that Allah's Apostle ﷺ forbade Mukhabara. He siad: Amr, one who has informed me has the best knowledge of it among them (he meant Ibn Abbas). (He said) that Allah's Apostle ﷺ did not prohibit it altogether, but said: Lending of land by one among you to his brother is better for him than getting a specified amount of produce from it.
عَمْرٌو فَقُلْتُ لَهُ يَا أَبَا عَبْدِ الرَّحْمَنِ لَوْ تَرَكْتَ هَذِهِ الْمُخَابَرَةَ فَإِنَّهُمْ يَزْعُمُونَ أَنَّ النَّبِيَّ ﷺ نَهَى عَنِ الْمُخَابَرَةِ فَقَالَ أَىْ عَمْرُو أَخْبَرَنِي أَعْلَمُهُمْ بِذَلِكَ يَعْنِي ابْنَ عَبَّاسٍ أَنَّ النَّبِيَّ ﷺ لَمْ يَنْهَ عَنْهَا إِنَّمَا قَالَ يَمْنَحُ أَحَدُكُمْ أَخَاهُ خَيْرٌ لَهُ مِنْ أَنْ يَأْخُذَ عَلَيْهَا خَرْجًا مَعْلُومًا