For Comenius, the close connection between philosophy and theology is characteristic. If we discuss any component of Comenius' thought, i.e. his philosophy, we must always keep in mind his lifelong theological anchoring, not take his philosophical ideas out of context and clarify them outside of their theological framing. However, even conversely, we will not properly understand Comenius as a theologian if we do not consider him as a philosopher. For Comenius, triadism is a striking manifestation of such a characteristic closeness of the theological and philosophical aspects. Attention will also be paid to triadism in Comenius' texts on metaphysics.