 Korean Mahāyāna Buddhism grew out of the original form of Buddhism in the Indian subcontinent and the Chinese variant but it gradually developed its characteristics in Korea. Among its distinctive metaphysical claims about the nature of reality, it puts great emphasis on the priority of mu over being, which, however, is not a separate and isolated entity but a manifestation of the former. Further, the view holds that while reality is not two or divided, it can be expressed in different ways. This view is prominently presented in the doctrine of One Mind/Two Gates as well as the doctrine of two truths (the absolute truth and conventional truth) or a version therefor (see below for details). Eventually, this strain of Buddhism culminates in the doctrine that nirvāṇa (the enlightened state of liberation from sufferings) is metaphysically identical with saṃsāra (the infinite cycle of rebirth and thus sufferings), as suggested in the East Asian Classic Heart Sutra.