The question of the relationship between intuitive knowledge and thinking in the infallible being is one of the most fundamental issues in Shiite epistemology and Islamic philosophy. In the Imamiyyah view, infallible knowledge is a subjective and present knowledge and is not considered a type of acquired and acquired knowledge; however, in religious and philosophical texts, signs of reasoning, reflection, and reasoning can be seen in the speech and actions of the Ahl al-Bayt (a.s.). This research, using an analytical-applicative method and based on sources such as al-Asfar al-Arba’ah, al-Mizan, and the first chapters of the essays, attempts to reinterpret the relationship between rationality and infallibility from the perspective of transcendental wisdom and Imamiyyah theology. The findings of the research show that thinking in the infallible being is not a type of mental movement from ignorance to knowledge, but rather a manifestation of the divine intellect in the position of teaching and guidance. The infallible, in essence, is the actual and intuitively aware of the truths, but in the capacity of action and communication with humans, he uses the rational structure of thought to reflect his present knowledge in the form of proof and human language. Thus, thinking in the infallible being is the rational form of intuitive knowledge and a sign of the unity of reason, revelation and infallibility. Although in terms of religious education and training, in the capacity of religious systematization, they have shown themselves in the guise of a researcher with analytical and critical thinking,