Space of reason

Reason, heart and senses are three instruments that human use them for knowledge. Now, we can ask, are these of the same rank or in the vertical hierarchy? And what preference dose each of them has than others? And how do we recognize and remedy errors that take place in them? In the writing, these questions answered by exact explaining of place of reason.
Then, the significance and esteem of reason is studied in the Quran verses and traditions. In the end, is argued extensively about the following points:Rational reasoning has not temporal and local limitation, and rational judgments are eternal.
Reason and religion are coordinated and harmonious together and both of them need each other.
Reason both criticizes and is criticized, but other perceptual faculties only are criticized and do not criticize.
Reason is active both in the extensive field of theory and in the extensive field of function, but functional intellect can’t issues practical orders without seeking help from conceptual intellect.