Whoever contemplates the verses of the Quranic discourse¿ in which Allah Almighty, Glory be to Him, has given a cautionary note to a specific group¿ finds each one is precisely and thoroughly addressed according to their consciousness, perception, and even the degree of their faith. Accordingly, the study is titled: " Inimitability of Quranic Discourse, in the Words of Allah Almighty ¿Indeed in that are Signs¿, with the aim of exploring the accurate meaning of the Quranic expression in different verses through specifying the addressed group of people. To achieve this objective, a descriptive analytical approach was used. Here are the most salient findings: For man, the stages of faith begin with hearing and sight: then the mind, contemplation and use reasoning: then faith and certainty. Faith requires patience on the scourge of worship, and thanks for the bountiful blessings, and the fear of the Hereafter, and repentance and returning to Allah.