Was it obligatory to perform salah for the ummahs before Islam? Did they perform five times a day?
Did disbelievers like Pharaoh in the Quran know that he was going to hell? If he did, why didn't he become good? Why did people follow him even if they knew by doing so it will lead them to hell?
The Day of Ashura is almost a turning point for the world and the humanity, through the events happened on it...
What is "ashura"? What is the importance of "the Day of Ashura"?
Which prophets were given the holy books? Which prophets were given the "suhuf" (pages)?