Why, then, can it be said that it emphasizes the importance of preaching? First, note that Jesus is teaching by means of an illustration.
لَمْ يَذْكُرْ يَسُوعُ فِي مَثَلِ ٱلْخِرَافِ وَٱلْجِدَاءِ عَمَلَ ٱلتَّبْشِيرِ بِطَرِيقَةٍ مُبَاشِرَةٍ .‏