Evam Kicchābhato Poso Pitu aparicārako
Pitari micchācariṭvā Nirayaṃ So upapajjati
One whose mother and father have raised him with great difficulty,
yet does not support them and behaves wrongly toward them,
is destined for hell.

(Khuddaka Nikāya, Jātaka, vol. 28, verse 162)