At-Tawbah 9:45

إِنَّمَا يَسۡتَـٔۡذِنُكَ ٱلَّذِينَ لَا يُؤۡمِنُونَ بِٱللَّهِ وَٱلۡيَوۡمِ ٱلۡأٓخِرِ وَٱرۡتَابَتۡ قُلُوبُهُمۡ فَهُمۡ فِي رَيۡبِهِمۡ يَتَرَدَّدُونَ۝٤٥

45. Only those would ask permission of you who do not believe in Allah and the Last Day and whose hearts have doubted, and they, in their doubt, are hesitating