17, 18. (a) How does Jehovah’s Word acknowledge the shortness of human life, but what does God want for us?
وَحَتَّى لَوْ كَانُوا يَدَّعُونَ عِبَادَةَ ٱللهِ ،‏ فَهُمْ لَا يَعْبُدُونَهُ بِطَرِيقَةٍ تَنْسَجِمُ مَعَ ‹ مَشِيئَتِهِ ٱلْكَامِلَةِ › .‏