Why can we say that the illustration emphasizes the importance of the preaching work? Who is it that receives the commission to preach?
وَنَظَرًا إِلَى أَهَمِّيَّةِ هٰذَا ٱلْمَثَلِ ،‏ مِنَ ٱلضَّرُورِيِّ أَنْ نَتَسَاءَلَ :‏ كَيْفَ أَوْضَحَ يَهْوَهُ لَنَا تَدْرِيجِيًّا هٰذَا ٱلْمَثَلَ ؟‏