True religion solves all problems according to Abd Ar-Rahman As'Sa'di:

The following statements relate to the Muslim religion. They establish that Islam leads people to the path of righteousness and piety and guides them, through the beliefs, morals, relationships, orientations and bases, which it institutes, to enjoy their present life. and to carry out their future life. These words also establish that it is not possible to achieve perfect success in any of men's affairs, however small, without having recourse to Islam; and that all systems which contradict it cannot form a basis for worldly or religious affairs, unless they derive their precepts from them.

What we have just said is lived. It is admitted by valid legislations and persons endowed with reason and a healthy nature. He repels evils and harms. He calls people to good and the right way and warns them against all kinds of evils and perditions.

The author highlights five problems in this work, which are as follows:

• Religion and belief.
• Science.
• Wealth and poverty.
• Domestic and foreign policy and what follows.