Charak Samhita
आगन्तूनामनुत्पत्तावेष मार्गो निदर्शितः। प्राज्ञः प्रागेव तत् कुर्याद्धितं विद्याद्यदात्मनः ॥५४॥
and following regimen of good conduct are some of the ways to prevent exogenous diseases. Therefore, an intelligent person desirous of his own well-being shall follow these suitable measures well in advance.
english translation
AgantUnAmanutpattAveSa mArgo nidarzitaH। prAjJaH prAgeva tat kuryAddhitaM vidyAdyadAtmanaH ॥54॥
hk transliteration by Sanscript