Abstract
In this study, the means utilized by the Qur'ān in actualizing the possibilities of all intellect to face the problem of blind imitation of ancestors were elaborated. Rationality as meant by the Qur'ān and embodied in its unique style is presented. Furthermore, the Qur'ānic documentation of the role of practical demonstration on the individual's mind as well as the societies' collective mind is pointed out. In addition, the study shows how the Qur'ān guides people to the proper use of reason within a scientific framework of mind.