Jesus did not want his disciples to lose their peace and happiness, so he warned them about the death - dealing effects of prolonged wrath.
نَحْنُ ٱلْمَسِيحِيِّينَ سُعَدَاءُ وَمُسَالِمُونَ لِأَنَّنَا نَنْعَمُ بِرُوحِ ٱللهِ ٱلْقُدُسِ ٱلَّذِي يَشْمُلُ ثَمَرُهُ ٱلْفَرَحَ وَٱلسَّلَامَ .‏