Sushruta Samhita
एवमभिसमीक्ष्य साध्यान् साधयेत्, याप्यान् यापयेत्, असाध्यान्नैवोपक्रमेत, परिसंवत्सरोत्थितांश्च विकारान् प्रायशो वर्जयेत् ॥६॥
Having considered thus, one should treat the curable, treat the palliative, not treat the incurable, and generally avoid disorders arising after a year.
english translation
evamabhisamIkSya sAdhyAn sAdhayet, yApyAn yApayet, asAdhyAnnaivopakrameta, parisaMvatsarotthitAMzca vikArAn prAyazo varjayet ॥6॥
hk transliteration by Sanscript