Jehovah is the one who causes spiritual growth, blessing our efforts and the efforts of those who receive the message.
وَيَهْوَه هُوَ ٱلَّذِي يَجْعَلُ ٱلنُّمُوَّ ٱلرُّوحِيَّ يَحْصُلُ ،‏ إِذْ يُبَارِكُ جُهُودَنَا وَجُهُودَ ٱلَّذِينَ يَسْمَعُونَ ٱلرِّسَالَةَ .‏