Al-A'raf 7:141

وَإِذۡ أَنجَيۡنَٰكُم مِّنۡ ءَالِ فِرۡعَوۡنَ يَسُومُونَكُمۡ سُوٓءَ ٱلۡعَذَابِ يُقَتِّلُونَ أَبۡنَآءَكُمۡ وَيَسۡتَحۡيُونَ نِسَآءَكُمۡۚ وَفِي ذَٰلِكُم بَلَآءٞ مِّن رَّبِّكُمۡ عَظِيمٞ 141

And [recall, O Children of Israel], when We saved you from the people of Pharaoh, [who were] afflicting you with the worst torment - killing your sons and keeping your women alive. And in that was a great trial from your Lord