3, 4. The illustration of the mustard grain highlights what aspects concerning the Kingdom message?
٣ ،‏ ٤ أَيَّةُ نُقْطَتَيْنِ مُتَعَلِّقَتَيْنِ بِرِسَالَةِ ٱلْمَلَكُوتِ يُبْرِزُهُمَا مَثَلُ حَبَّةِ ٱلْخَرْدَلِ ؟‏