[19]. Congregational prayer is obligatory for all men in the mosque. It is not permissible for a man who is able to attend the congregational prayer in the mosque to pray in his house even if he prays in congregation with his family.
the Prophet Muhammad ﷺ said: “Whoever hears the call to prayer and does not come, there is no prayer for him [i.e., his prayer is not valid], unless he has an excuse. It was asked the companion of the prophet, what is an excuse? He said, Fear or sickness.
[20]. The Children of Israel who were hindered from belief out of greed and love of the world. They are commanded to seek help in patience, i.e. fasting, which dents wantonness, and Prayer because it leads to humbleness and submission to the will of God and expels haughtiness.
[21]. Of your time period, by sending you Prophets, Divine Scriptures, and giving you kingship.