Terevada was spread through Ceylon, Burma and Thailand. In Terevada only the historical Gautama Buddha and past Buddha's are accepted as the religious figures. The main emphasis is self-liberation with total reliance on oneself to eradicate all defilements. The Terevada has some rituals but are not as heavily emphasized as in Mahayana schools. With very little research and knowledge on the process of dying and death. It is said that usually the dying person is advised to meditate on impermanence, suffering and emptiness.