यस्मिन् शास्त्रे आयुर्विद्यते येन वा आयुर्विन्दति स आयुर्वेदः ।
A science in which the life is present and from which life is gained is known as Ayurveda.
प्रयोजनं चास्य स्वस्थस्य स्वास्थ्यरक्षणमातुरस्य विकारप्रशमनं च ।
Purpose of Ayurveda is to take care of the health of the healthy person and to cure the diseases of diseased person.
हिताहितं सुखं दुःखं आयुस्तस्य हिताहितम् । मानं च तच्च यत्रोक्तं आयुर्वेदः स उच्यते ॥
Life is beneficial or unbeneficial as well as the abode of happiness or sorrow. What is beneficial or unbeneficial
for such life, what are parameters of life and what is life; where all the mentioned points are discussed is called as Ayurveda.