One of the most powerful verses of optimism when we’re facing a calamity or a tragedy memorize this verse surah tawbah, beautiful verse. Say, Allah is telling you to say this. Allah wants you to memorize this.
قُل لَّن يُصِيبَنَا إِلَّا مَا كَتَبَ اللَّهُ لَنَا هُوَ مَوْلَانَا ۚ وَعَلَى اللَّهِ فَلْيَتَوَكَّلِ الْمُؤْمِنُونَ Say: "nothing will happen to us except what Allah has decreed for us: he is our protector": and on Allah let the believers put their trust. (surah at-taubah:51)
Nothing shall happen to us except that Allah has already decreed this for us. Do you know what mawla means?
Mawla means the one who’s in charge of protecting you. That’s what mawla means.