وَلَمَّا رَءَا ٱلْمُؤْمِنُونَ ٱلْأَحْزَابَ قَالُوا۟ هَـٰذَا مَا وَعَدَنَا ٱللَّهُ وَرَسُولُهُۥ وَصَدَقَ ٱللَّهُ وَرَسُولُهُۥ ۚ وَمَا زَادَهُمْ إِلَّآ إِيمَـٰنًا وَتَسْلِيمًا Qur’an Al-Ahzab (33:22)Walamma raa almuminoona alahzaba qaloo hatha ma waAAadana Allahu warasooluhu wasadaqa Allahu warasooluhu wama zadahum illa eemanan watasleeman
These seem to be allusions to 29:2 (which may have been one of the last Meccan revelations) as well as to 2:155 and {214} (i.e., verses of the first surah of the Medina period).
This is in contrast to what the Hypocrites said in verse 12 above. The divine promise of help and success is contigent upon our striving and faith. Nothing comes to the poltroon and the sceptical idler. Dangers and difficulties, and conflict with Evil, are foretold us, and we must meet them with fortitude and courage.