 Tsongkhapa's strong rejection of Yogācāra idealism leads him to assert the existence of external objects (the third point). His (discredited) Yogācāra school, based on either the works of Asaṅga or the Epistemologists, explains the absence of subject-object bifurcation as non-dual with thought or mind (Sk. citta). Realizing this in a non-conceptual, meditational state constitutes a liberating vision. Ultimately, therefore, external objects are projections of a deluded mind. Tsongkhapa rejects this, though he suggests only those who have understood the emptiness of inherent existence through reflecting on the natural workings of dependent origination can set it aside. As he says in his Ocean of Reasoning,