9:75
۞ وَمِنْهُم مَّنْ عَـٰهَدَ ٱللَّهَ لَئِنْ ءَاتَىٰنَا مِن فَضْلِهِۦ لَنَصَّدَّقَنَّ وَلَنَكُونَنَّ مِنَ ٱلصَّـٰلِحِينَ
9:75
And there are those of them who made a covenant with Allah: If He give us out of His grace, we will certainly give alms and we will certainly be of the good. - Mohammad Habib Shakir (English)