不思議境=the state of inconceivability; 圓頓止觀=the round sudden calmness contemplation; 一心三觀=one mind three contemplations; 一念三千=one thought three thousand; 十如是=Ten Suchness; 十界互具=ten realms co-exist; 十境十乘觀法=ten contemplation methods; ten states
The scriptures of early Agama Sutras, or Buddhism of the Sectarian period does not explain the term "inconceivable" in details. Human beings have failed to explore the size or the length of the universe, including its formation, its existence, its destruction and annihilation, its Buddha Realm, its Dragon World and the sentient beings. The territories are infinite without boundaries and cannot be computed. Terefore, the term of "inconceivable" is broadly used in those areas. Based on Sectarian period of Buddhism, “Abhidharma-Kosa-Sastra” points out that the difference among the three items of the Buddhas’ deeds, the world of the mystics and the deeds of the sentient beings is inconceivable. “The five inconceivable things” mentioned in Mahayana Buddhism “Prajna-paramita Sutra” are self-nature, place, residence, sameness and difference, benefit and happiness that are regarded as “phenomenon” without self-nature, space or premises. It does not reside in the state of “extreme tranquility.” And it does not have peace or happiness either. The similarities or differences of all phenomena and the benefitting of sentient beings, the compliance with all living creatures are all listed in the inconceivable.
“The Profound Meaning of the Vimalakirti Sutra”, “The Profound Meaning of the Lotus Sutra”, and “the Great Calming Contemplation” in Master ZhiZhe’s “The fascicle of inconceivability” further adds more depth to higher level of practice in the development of "inconceivableness". In order to reveal the concept of “inconceivability,” “The Profound Meaning of the Vimalakirti Sutra” states five meanings of “manifestation” and “origin,” including the principle and phenomena, the of principle and teaching, the principle and practice, the essen