Attainment of taqwa (piety)

قُرْءَانًا عَرَبِيًّا غَيْرَ ذِى عِوَجٍ لَّعَلَّهُمْ يَتَّقُونَ

[It is] an Arabic Qur’ān, without any deviance that they might become righteous.