Jesus alludes to this aspect of Kingdom growth when he gives another illustration, one about a dragnet.
وَقَدْ أَشَارَ يَسُوعُ إِلَى هذَا ٱلْوَجْهِ لِنُمُوِّ ٱلْمَلَكُوتِ فِي مَثَلٍ آخَرَ :‏ مَثَلِ ٱلشَّبَكَةِ .‏