﴿ بَلْ قُلُوبُهُمْ فِى غَمْرَةٍۢ مِّنْ هَٰذَا وَلَهُمْ أَعْمَٰلٌۭ مِّن دُونِ ذَٰلِكَ هُمْ لَهَا عَٰمِلُونَ ﴾

“NAY, [as for those who have torn asunder the unity of faith] - their hearts are lost in ignorance of all this! But apart from that [breach of unity] they have [on their conscience even worse] deeds; and they will [continue to] commit them”

Please check ayah 23:67 for complete tafsir.