[Machine] I said, "O Messenger of Allah, I engage in these sales, so what is permissible for me and what is prohibited for me?" He said, "O nephew, do not sell anything until you receive it. This is a good continuous chain of narration." And likewise...
قُلْتُ يَا رَسُولَ اللهِ إِنِّي أَبْتَاعُ هَذِهِ الْبُيُوعَ فَمَا يَحِلُّ لِي مِنْهَا وَمَا يَحْرُمُ عَلَيَّ؟ قَالَ يَا ابْنَ أَخِي لَا تَبِيعَنَّ شَيْئًا حَتَّى تَقْبِضَهُ هَذَا إِسْنَادٌ حَسَنٌ مُتَّصِلٌ وَكَذَلِكَ