諍 無諍 無諍行 阿蘭若 無諍三昧 諸法無諍三昧法門 禪波羅蜜 四念處 Adhikara□a Contention Ara□ā Non-contention Non-disturbing Ara□ā practices Undisturbed place Ara□ā-samādhi Samādhi of non-disturbance Approaches to achieve ara□ā-samādhi with all phenomena Dhyāna-pāramitā Meditation pāramitā Catvāri sm□ty-upasthānāni The four foundations of mindfulness