Rawdat al-Janat fi Usul al-itiqadat or Meadows of the Gardens in the principles of Beliefs

Praise be to Allah Who guides us to both knowledge and belief, and forbids us from disbelief and disobedience. I pray for His intelligent Prophet, His handsome and loved one who was sent with the best religion. I pray for the family of the Prophet and his companions who were among the most obedient to Allah.
It should be remembered that belief is the first obligation on humankind and the last thing to be asked about after his/her death. Certainly, it is the rational behind the human existence. It is, however, the ultimate objective behind the eternal covenant with Allah. The attainment of belief is determined by the knowledge of the essential Being. Obviously it will not be perfected unless His attributes were completely affirmed. Therefore, it is obligatory upon every rational human being to utilize his/her entire being to investigate and to know through clear evidence His existence. Then, the human being should exert his/her utmost effort in knowing both the general and the minute details of the belief in order to rid himself/herself of imitation in Tawhid.