Al-Baqarah 2:49

Wa-ith najjaynakum min alifirAAawna yasoomoonakum soo-a alAAathabi yuthabbihoonaabnaakum wayastahyoona nisaakum wafee thalikumbalaon min rabbikum AAatheem

And [recall] when We saved you [i.e., your forefathers] from the people of Pharaoh, who afflicted you with the worst torment, slaughtering your [newborn] sons and keeping your females alive. And in that was a great trial from your Lord.

(Remember) when We delivered you from the people of Pharaoh! They had been inflicting on you grievous torment, slaughtering your sons and leaving your women alive. In all that, there was a great trial from your Lord.