Place of reason from viewpoint of Quran

Religion of Islam calls persistently his followers to reasoning contrary to other religions and social ideologies at present and past. In the many verses of Quran has been regarded to this fact. From viewpoint of Quran, the reason faculty of human is one of the sources of his science and knowledge, and also it is one of the factual distinctions of him from the other animals. For this reason, it has a very important role in the various aspects of true knowledge and consequently in attaining human to truth.
In the essay, we follow, after explain the meanings of reason, that discuss about the valuable place of this divine blessing and its efficiencies by using from verses of Quran as far as possible.