Mahabharata 15.9.18

पुरुषैरलमर्थज्ञैर्विदितैः कुलशीलतःआत्मा च रक्ष्यः सततं भोजनादिषु भारत

puruṣairalamarthajñairviditaiḥ kulaśīlataḥātmā ca rakṣyaḥ satataṃ bhojanādiṣu bhārata

Our plain-language meaning of this verse is waiting for scholar review.