[316] Six explorations accompanied by equanimity (upekkhūpavicārā):
Having seen a form with the eye, one mentally explores a form that is a basis for equanimity (upekkhā). Having heard a sound with the ear … Having smelled an odour with the nose … Having tasted a flavour with the tongue … Having touched a tangible with the body … Having cognized a mental phenomenon (dhamma) with the mind, one mentally explores a mental phenomenon that is a basis for equanimity.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.