If you r really interested what was 四弹八定 : Jhana: 四禅八定是色界四禅和无色界四定的合称,即初禅、二禅、三禅、四禅、空无边处定、识无边处定、无所有处定、非想非非想处定。 四禅八定是禅定的基础,佛陀在成佛和涅槃. you can find out what siddhartha gautama Buddha dharma teaching on meditation in the nikaya PALI tipitaka: The Great Establishing of Mindfulness Discourse Mahā Satipaṭṭhāna Sutta (DN 22)
😊 if you have notice most of the great masters most of the time spent most of the time in the great nature forest, river and cave. Which lies the answer in the nature. It was not the temple that was the result of attainment it was the the forest, the elements, the nature (大自然) that all along lie the answer and it air element provides great power when our body and mind absorb all these great elements provide the right karma which gives us attainment. 😊 that was why most of the time siddhartha gautama Buddha, rishis , yogis and 仙人 always stay forests, river and cave. Which is also provide great peace. When your body and mind in peaceful you are also able find the answer 缘起缘灭, 5 realms of existence came about, how the beginning of suffering existence 轮回 came about. when your body, Speech and Mind attain higher knowledgesand attainment. 😊