Charak Samhita
चिकित्साप्राभृतो धीमान् शास्त्रवान् कर्मतत्परः। नरं विरेचयति यं स योगात् सुखमश्नुते ॥३॥
A qualified physician is the one who is well acquainted with the principles of treatment, is learned and skilled in the practice of Ayurveda, and is known for promptness of action. A patient obtaining treatment in the form of emesis or purgation from such a physician, becomes healthy and attains happiness.
english translation
cikitsAprAbhRto dhImAn zAstravAn karmatatparaH। naraM virecayati yaM sa yogAt sukhamaznute ॥3॥
hk transliteration by Sanscript