﴿ وَإِذْ ءَاتَيْنَا مُوسَى ٱلْكِتَٰبَ وَٱلْفُرْقَانَ لَعَلَّكُمْ تَهْتَدُونَ ﴾

“And [remember the time] when We vouchsafed unto Moses the divine writ-and [thus] a standard by which to discern the true from the false -so that you might be guided aright;”

(And when We gave unto Moses the Scripture), the Torah, (and the Criterion) i.e. We showed in it the lawful and the unlawful, the commands and the prohibitions, as well as other things; it is also said that this means: triumph over Pharaoh, (that you might be led rightfully) guided to avoid error.