13, 14. To worship and serve Jehovah acceptably, what must those who are not spiritual Israelites do, and how was this foretold in Bible prophecy?
١٣ ،‏ ١٤ مَاذَا يَجِبُ أَنْ يَفْعَلَ غَيْرُ ٱلْمَمْسُوحِينَ لِتَكُونَ عِبَادَتُهُمْ لِيَهْوَهَ مَقْبُولَةً ،‏ وَكَيْفَ أَنْبَأَ ٱلْكِتَابُ ٱلْمُقَدَّسُ بِذٰلِكَ ؟‏