13.140 [Machine] It is not permissible for the lender until the borrower repays the amount borrowed. The loan should be of a known weight or measure. Ash-Shafi'i said: Because the Prophet said, "Whoever lends, let him lend." He only said, "Let him give." The term "lending" does not apply until he gives what he has lent before parting with the borrower.

١٣۔١٤٠ بَابُ لَا يَجُوزُ السَّلَفُ حَتَّى يَدْفَعَ الْمُسَلَّفُ ثَمَنَ مَا سُلِّفَ فِيهِ يَكُونُ السَّلَفُ بِكَيْلٍ مَعْلُومٍ أَوْ وَزْنٍ مَعْلُومٍ قَالَ الشَّافِعِيُّ: لِأَنَّ قَوْلَ النَّبِيِّ ﷺ " مَنْ سَلَّفَ فَلْيُسْلِفْ "، إِنَّمَا قَالَ: " فَلْيُعْطِ "، لَا يَقَعُ اسْمُ التَّسْلِيفِ فِيهِ حَتَّى يُعْطِيَهُ مَا سَلَّفَهُ قَبْلَ أَنْ يُفَارِقَ مَنْ سَلَّفَهُ