This book explains the reality of Tawḥīd al-Ulūhiyyah, or al-ʿIbādah (strict, pure monotheism in worship) and makes mention of its rulings, limits, conditions, excellence, evidences, foundations...
A believing Muwaḥḥid, in his beliefs, feelings, emotions, speech and behaviour is governed by optimism, hope, certainty and reliance and he pursues his beneficial interests in this manner.
In the beginning of the 9th volume of Darʾ al-Taʿāruḍ, Shaykh al-Islām Ibn Taymiyyah speaks of the differing among the sects regarding how knowledge, acquaintance and guidance is acquired, is it through reason, or is it through revelation...