قَالَ مَالِكٌ : وَبَيْعُ الثِّمَارِ قَبْلَ أَنْ يَبْدُوَ صَلَاحُهَا مِنْ بَيْعِ الْغَرَرِ
Imam Malik, may Allah have mercy on him, said that selling fruits before their goodness is known is a deceptive sale, from which the Prophet (peace be upon him) forbade.