“There will be tribulation in which a man will be a believer in the morning and a disbeliever by evening, except the one to whom Allah grants knowledge.” (Using translation from Ibn Mājah 3954)
قَالَ رَسُولُ اللهِ ﷺ «تَكُونُ فِتْنَةٌ يُصْبِحُ الرَّجُلُ فِيهَا مُؤْمِنًا وَيُمْسِي كَافِرًا إِلَّا مَنْ أَحْيَاهُ اللهُ بِالْعِلْمِ»