Ākāsānañcāyatanasutta
Sāvatthinidānaṁ. Addasā kho āyasmā ānando …pe… “idhāhaṁ, āvuso, sabbaso rūpasaññānaṁ samatikkamā paṭighasaññānaṁ atthaṅgamā nānattasaññānaṁ amanasikārā ananto ākāsoti ākāsānañcāyatanaṁ upasampajja viharāmi …pe… vuṭṭhitoti vā”ti.
The Dimension of Infinite Space
At Sāvatthī. Venerable Ānanda saw Venerable Sāriputta … “Reverend, going totally beyond perceptions of form, with the disappearance of perceptions of impingement, not focusing on perceptions of diversity, aware that ‘space is infinite’, I entered and remained in the dimension of infinite space. …” …