The basic aim of this research is description and deduction of principles, aims, and methods based on the epistemological foundations of Farabi in Fusus Al-Hikmah. To get this aim, the method was documentary analysis and deduction. findings show that: necessary being is aware of all contingent beings, there is a unity between the essence of God as a ultimate truth and his knowledge, necessary being is aware of both universals and particulars, God knowledge is unique and simple while others are multiple, the depth of the essence of God is not perceptible, the essence of ultimate truth is appear and his inward is relative (mental). Possibility in human episteme, are from most important features of divine knowledge. incompleteness in human episteme, graduall in human episteme, and multiplicity in human episteme most important educational principle for a wayfarer to recognize ultimate truth joining the ultimate truth, perfection of the peaceful soul, acquisition of pleasure and issuing the miraculous deeds most important educational aims for a wayfarer to recognize ultimate truth, intellectual journey for knowing the ultimate truth, mystical intuition for knowing ultimate truth which contains in its turn the abstraction from determinations, contemplating the truth of being, annihilation, in the absolute being, theoretical and practical intuition of ultimate truth, the intuition of ultimate truth in its differentiated manifestations understanding the truth and abstinence of soul most important educational methods for a wayfarer to recognize ultimate truth.