Charak Samhita
निवृत्तामिषमद्यो यो हिताशी प्रयतः शुचिः। निजागन्तुभिरुन्मादैः सत्त्ववान् न स युज्यते ॥९६॥
The person having preponderance of sattva (strong mental strength), abstaining from meat and wine, taking wholesome diet, sincere and disciplined and observing purity of mind and body is not affected by either endogenous or exogenous type of unmada.
english translation
nivRttAmiSamadyo yo hitAzI prayataH zuciH। nijAgantubhirunmAdaiH sattvavAn na sa yujyate ॥96॥
hk transliteration by Sanscript