[628] Which is that form (rūpa) that is internal (ajjhattika) and is not wieldiness (kammaññatā) of form?
The eye sense base (cakkhāyatana) … the body sense base (kāyāyatana) — this is that form that is internal and is not wieldiness of form.
Which is that form that is external (bāhira) and is wieldiness of form?
Whatever wieldiness of form, wieldy quality, wieldy state there is — this is that form that is external and is wieldiness of form.
Which is that form that is external and is not wieldiness of form?
The form sense base (rūpāyatana) … edible nutriment (kabaḷiṅkāra āhāra) — this is that form that is external and is not wieldiness of form.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.