Advice from Nandaka 9.12

9.12

yañca kho cha ajjhattike āyatane paṭicca paṭisaṃvedeti sukhaṃ vā dukkhaṃ vā adukkhamasukhaṃ vā taṃ niccaṃ dhuvaṃ sassataṃ avipariṇāmadhamman’ti;

But the feeling—whether pleasant, painful, or neutral—that I experience due to these six interior sense fields is permanent, lasting, eternal, and imperishable.’