In the first place, we would like to stress that a Muslim should make his first priority to be prepared for the Day of Judgment. When a man came to the Prophet (peace and blessings be upon him) and asked, "What is the exact date of the Day of Judgment?" the Prophet answered, "What have you prepared for that day?" This indirect positive answer from the Prophet (peace and blessings be upon him) directs every Muslim to concern himself, before anything...