﴿ قَالُوا۟ تَٱللَّهِ لَقَدْ ءَاثَرَكَ ٱللَّهُ عَلَيْنَا وَإِن كُنَّا لَخَٰطِـِٔينَ ﴾

“[The brothers] said: "By God! Most certainly has God raised thee high above us, and we were indeed but sinners!"”

They said ‘By God truly God has preferred you over us with kingship and in other ways and indeed we wa-in in is softened in other words it is understood as innā ‘indeed we’ have been erring’ sinful towards you and treated you disgracefully.