Yusuf • BN-TAFSEER-IBN-E-KASEER
﴿ إِنَّآ أَنزَلْنَٰهُ قُرْءَٰنًا عَرَبِيًّۭا لَّعَلَّكُمْ تَعْقِلُونَ ﴾
“behold, We have bestowed it from on high as a discourse in the Arabic tongue, so that you might encompass it with your reason.”
Please check ayah 12:3 for complete tafsir.