An-Nur 24:1

Sooratun anzalnaha wafaradnahawaanzalna feeha ayatin bayyinatinlaAAallakum tathakkaroon

[This is] a sūrah which We have sent down and made [that within it] obligatory and revealed therein verses of clear evidence that you might remember.

This is a Sūrah We have sent down and enjoined, and sent down in it clear signs, so that you may receive the advice.