Surah At-Taubah Verse 75 - English Translation by Muhammad Mahmoud Ghali
Surah At-Taubah۞وَمِنۡهُم مَّنۡ عَٰهَدَ ٱللَّهَ لَئِنۡ ءَاتَىٰنَا مِن فَضۡلِهِۦ لَنَصَّدَّقَنَّ وَلَنَكُونَنَّ مِنَ ٱلصَّـٰلِحِينَ
And of them are the ones who covenanted with Allah, "If He bring us of His Grace, indeed we will definitely donate (i.e., give alms) and indeed we will definitely be of the righteous