Al-Baqarah 2:49

وَإِذۡ نَجَّيۡنَٰكُم مِّنۡ ءَالِ فِرۡعَوۡنَ يَسُومُونَكُمۡ سُوٓءَ ٱلۡعَذَابِ يُذَبِّحُونَ أَبۡنَآءَكُمۡ وَيَسۡتَحۡيُونَ نِسَآءَكُمۡۚ وَفِي ذَٰلِكُم بَلَآءٞ مِّن رَّبِّكُمۡ عَظِيمٞ 49

And [recall] when We saved 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