Az Zumar, 28 Ayah
39:28
قُرۡءَانًا عَرَبِيًّا غَيۡرَ ذِي عِوَجٖ لَّعَلَّهُمۡ يَتَّقُونَ ٢٨
Qur'ānāan `Arabīyāan Ghayra Dhī `Iwajin La`allahum Yattaqūna
[It is] an Arabic Qur'an, without any deviance that they might become righteous.