9:75
۞ وَمِنْهُم مَّنْ عَـٰهَدَ ٱللَّهَ لَئِنْ ءَاتَىٰنَا مِن فَضْلِهِۦ لَنَصَّدَّقَنَّ وَلَنَكُونَنَّ مِنَ ٱلصَّـٰلِحِينَ
9:75
And of them are some who made a covenant with Allah (saying): "If He bestowed on us of His bounty, we will verily, give Sadaqah and will be certainly among the righteous." - Safi-ur-Rahman al-Mubarakpuri (English)