"The Messenger of Allah stood up among us ad said: 'Do not sell fruits until their condition is known."" (Using translation from Nasāʾī 4522)
سَمِعْتُ عَبْدَ اللهِ بْنَ عُمَرَ يَقُولُ قَامَ فِينَا رَسُولُ اللهِ ﷺ فَقَالَ لَا تَبِيعُوا الثَّمَرَ حَتَّى يَبْدُوَ صَلَاحُهُ