قُل لا يَستَوِي الخَبيثُ وَالطَّيِّبُ وَلَو أَعجَبَكَ كَثرَةُ الخَبيثِ ۚ فَاتَّقُوا اللَّهَ يا أُولِي الأَلبابِ لَعَلَّكُم تُفلِحونَ

Say, "Not equal are the evil and the good, although the abundance of evil might impress you." So fear Allah, O you of understanding, that you may be successful.