وَعْدَ اللَّهِ لَا يُخْلِفُ اللَّهُ وَعْدَهُ وَلَكِنَّ أَكْثَرَ النَّاسِ لَا يَعْلَمُونَ
[This is] a promise of Allah: Allah does not break His promise, but most people do not know.
Agha Ali Puya Commentary
Commentary on Quran 30:6
[Pooya/Ali Commentary 30:6] (see commentary for verse 3)