* Angels...
* Angels, that is the powers that are conscious of themselves and of their Creator and are the executors of the Divine will. * Prophets or the men who received the Divine revelation in their hearts and conveyed it to other people. * Exhortation to have belief in Allah, in the Hereafter, in the angels, in the Prophets and in the revealed Books. * Creation of the heavens, the earth, the mountains, the rivers, the plants, the animals, the clouds, the rain, the hailstones, the meteors etc.
* Arguments in respect of Allah, Resurrection, Prophets etc. and some prophecies in this connection. * Narration of the stories and historical events proving the truth of the mission of the Prophets and showing that happy was the end of those virtuous people who followed the Prophets and unhappy of those who repudiated them. * Piety, virtuousness and self-purification, Attention to the danger of fiendish insinuations, self-delusion and incorrect thinking.
* Individual moral virtues such as courage, perseverance, patience, justice, charity, love, remembrance of Allah, love of Allah, expressing gratitude to Allah, fear of Allah, trust in Allah, resignation to the will of Allah, submission to the commands of Allah, prudence, knowledge, truthfulness, honesty and luminousness of heart as the result of piety, veracity and honesty.
* Collective moral virtues such as unity, urging each other to accept the truth, asking each other to be steadfast, mutual cooperation in the matters of virtue and piety, abstention from hatred and malice, exhortation to what is good, restraining from evil and sacrificing life and property for the sake of Allah.
* Rules of law regarding such matters as prayers, fasting, zakat, khums, hajj, jihad, vow, oath, sale, mortgage, hire, gift, marriage, rights of the husband and wife, rights of the parents and children, divorce, oath of condemnation, zihar, bequest, inheritance, retaliation, punishment, debt, evidence, wealth, property, government, consultation, rights of the poor, rights of society etc.