What are you doing? They said: We are grafting them, whereupon he said: It may perhaps be good for you if you do not do that, so they abandoned this practice (and the date-palms) began to yield less fruit. They made a mention of it (to the Holy Prophet), whereupon he said: I am a human being, so when I command you about a thing pertaining to religion, do accept it, and when I command you about a thing out of my personal opinion, keep it in mind that I am a human being. 'Ikrima reported that he said something like this.
قَدِمَ نَبِيُّ اللَّهِ ﷺ الْمَدِينَةَ وَهُمْ يَأْبُرُونَ النَّخْلَ يَقُولُونَ يُلَقِّحُونَ النَّخْلَ فَقَالَ مَا تَصْنَعُونَ قَالُوا كُنَّا نَصْنَعُهُ قَالَ لَعَلَّكُمْ لَوْ لَمْ تَفْعَلُوا كَانَ خَيْرًا فَتَرَكُوهُ فَنَفَضَتْ أَوْ فَنَقَصَتْ قَالَ فَذَكَرُوا ذَلِكَ لَهُ فَقَالَ إِنَّمَا أَنَا بَشَرٌ إِذَا أَمَرْتُكُمْ بِشَىْءٍ مِنْ دِينِكُمْ فَخُذُوا بِهِ وَإِذَا أَمَرْتُكُمْ بِشَىْءٍ مِنْ رَأْىٍ فَإِنَّمَا أَنَا بَشَرٌ قَالَ عِكْرِمَةُ أَوْ نَحْوَ هَذَا قَالَ الْمَعْقِرِيُّ فَنَفَضَتْ وَلَمْ يَشُكَّ