Charak Samhita
य इमे द्विविधाः प्रोक्तास्त्रिदोषास्त्रिप्रकोपणाः । रोगा नानात्मकास्तेषां कस्को भवति दुर्जयः ॥४॥
aggravated due to three factors (like unwholesome utilization of sense organs (asatmendriyartha samyoga), intellectual errors (pajnaparadha) and advent of maturity of time (parinama)). Which among these diseases is most difficult to cure?”
english translation
ya ime dvividhAH proktAstridoSAstriprakopaNAH । rogA nAnAtmakAsteSAM kasko bhavati durjayaH ॥4॥
hk transliteration by Sanscript