Mahabharata 3.204.23

3.204.23

svayaṃ ca snāpayāmyetau tathā pādau pradhāvaye |
āhāraṃ saṃprayacchāmi svayaṃ ca dvijasattama || 23 ||

As Brahmanas exert themselves for the purpose of procuring offering for their gods, so do I act with diligence for these two (idols of mine). These my father and mother, O Brahmana, are my supreme gods, and I seek to please them always with offering of flowers, fruits and gems. To me they are like the three sacred fires mentioned by the learned; and, O Brahmana, they seem to me to be as good as sacrifices or the four Vedas. My five life-giving airs, my wife and children and friends are all for them (dedicated to their service). And with my wife and children I always attend on them. O good Brahmana, with my own hands I assist them in bathing and also wash their feet and give them food and I say to them only what is agreeable, leaving out what is unpleasant. I consider it to be my highest duty to do what is agreeable to them even though it be not strictly justifiable. And, O Brahmana, I am always diligent in attending on them. The two parents, the sacred fire, the soul and the spiritual preceptor, these five, O good Brahmana, are worthy of the highest reverence from a person who seeks prosperity. By serving them properly, one acquires the merit of perpetually keeping up the sacred fire. And it is the eternal and invariable duty of all householders."