Rasendracudamani 3.24

3.24

{raskarm meṃ kaisā vaidy ko rakhe}
rasasaṃhitayor vaidyāḥ nighaṇṭujñāśca vārttikāḥ /
sarvadeśajabhāṣājñāḥ saṃgrāhyāste'pi sādhakaiḥ //

Physicians versed in the treatises on mercury, commentators knowledgeable in lexicons, / and those knowing languages of all lands should also be engaged by practitioners;