The article explores the moral nature of philosophy. The source of philosophy is the duality of human existence. Philosophy is moral in its essence, being a way of life which actualizes the contradictory unity of the dual human nature in thoughts and deeds. Historically, there were three types of understanding the philosophy: the Sophia type, the epistemic type and the technematic type. The Sophia type, first formulated by Pythagoras, comes from the idea of love of wisdom. Being the fullness of knowledge, wisdom is accessible only to God.