The appendix contains essential Scriptural subjects, such as “‘ Soul ’ and ‘ Spirit ’ ​ — What Do These Terms Really Mean? ”
يَقُولُ ٱلْمَزْمُورُ ١٢٧ :‏ ١‏ :‏ « إِنْ لَمْ يَبْنِ يَهْوَهُ ٱلْبَيْتَ ،‏ فَبَاطِلًا يَكُدُّ ٱلْبَنَّاؤُونَ » .‏