Verse 47

وَيَقُولُونَ ءَامَنَّا بِٱللَّهِ وَبِٱلرَّسُولِ وَأَطَعْنَا ثُمَّ يَتَوَلَّىٰ فَرِيقٌ مِّنْهُم مِّنۢ بَعْدِ ذَٰلِكَ وَمَآ أُو۟لَـٰٓئِكَ بِٱلْمُؤْمِنِينَ

And they said; we believe in God and in the messenger and we obey, but later on, after all this, a group of them turned away. And these were never faithful.