Saṃyutta Nikāya - The Connected Discourses
Connected Discourses on the Six Sense Bases: SN35:186 The Past as Impermanent
1 "Cakkhu, bhikkhave, aniccaṃ atītaṃ … pe … jivhā aniccā atītā … pe … mano anicco atīto. Evaṃ passaṃ, bhikkhave, sutavā ariyasāvako cakkhusmimpi nibbindati … pe … jivhāyapi nibbindati … pe … manasmimpi nibbindati. Nibbindaṃ virajjati; virāgā vimuccati; vimuttasmiṃ vimuttamiti ñāṇaṃ hoti. ‘Khīṇā jāti, vusitaṃ brahmacariyaṃ, kataṃ karaṇīyaṃ, nāparaṃ itthattāyā’ti pajānātī"ti.