The Compendium of Caraka 8.11.28

8.11.28

dvijohi &vedādhyayanavratāhnikakriyādibhirdehahitaṃ na &ceṣṭate/
nṛpopasevī nṛpacittarakṣaṇāt &parānurodhādbahucintanādbhayāt//

A twice-born man does not attend to the benefit of his body due to Vedic study, vows, daily rites, and the like; / an attendant of a king, due to guarding the king's mind, complying with others, much thinking, and fear;