﴿ قَالُوا۟ يَٰٓأَيُّهَا ٱلْعَزِيزُ إِنَّ لَهُۥٓ أَبًۭا شَيْخًۭا كَبِيرًۭا فَخُذْ أَحَدَنَا مَكَانَهُۥٓ ۖ إِنَّا نَرَىٰكَ مِنَ ٱلْمُحْسِنِينَ ﴾

“They said: "O thou great one! Behold, he has a father, a very old man: detain, therefore, one of us in his stead. Verily, we see that thou art a doer of good!"”

Please check ayah 12:79 for complete tafsir.