Charak Samhita
धर्मार्थं चार्थकामार्थमायुर्वेदो महर्षिभिः। प्रकाशितो धर्मपरैरिच्छद्भिः स्थानमक्षरम् ॥५७॥
Ayurveda has been empowered by the great rishis devoted to piety and wishing immortality for welfare and not for earning or enjoyment.
english translation
dharmArthaM cArthakAmArthamAyurvedo maharSibhiH। prakAzito dharmaparairicchadbhiH sthAnamakSaram ॥57॥
hk transliteration by Sanscript