सुप्रभातम् - चरकसंहिता - सूत्रस्थानम् - षष्ठोऽध्यायः

तस्याशिताद्यादाहाराद्बलं वर्णश्च वर्धते| यस्यर्तुसात्म्यं विदितं चेष्टाहारव्यपाश्रयम्||३||

Tasyāśitādyādāhārādbalaṁ varṇaśca vardhatē| yasyartusātmyaṁ viditaṁ cēṣṭāhāravyapāśrayam||3||

tasyAshitAdyAdAhArAdbalaM varNashca vardhate| yasyartusAtmyaM viditaM ceShTAhAravyapAshrayam||3||

A person who knows the ritusatmya, i.e., getting accustomed to suitable changes in diet and behavior according to season, and practices such habits accordingly, and whose diet consists of various types of food articles (with properties such as ashita, pitta lidha , and khadita), has his strength and luster enhanced, while he leads a healthy, long life. [3]

गोरसानिक्षुविकृतीर्वसां तैलं नवौदनम्| हेमन्तेऽभ्यस्यतस्तोयमुष्णं चायुर्न हीयते||१३|| gōrasānikṣuvikr̥tīrvasāṁ tailaṁ navaudanam| hēmantē'bhyasyatastōyamuṣṇaṁ cāyurna hīyatē||13|| A person who is habituated to consuming milk products, cane sugar products, fats and oils, new rice and warm water during hemanta ritu, never sees his lifespan decrease ( i.e. these help in prevention from early aging and diseases). [13]

शीतेषु संवृतं सेव्यं यानं शयनमासनम्| प्रावाराजिनकौषेयप्रवेणीकुथकास्तृतम्||१५|| śītēṣu saṁvr̥taṁ sēvyaṁ yānaṁ śayanamāsanam| prāvārājinakauṣēyapravēṇīkuthakāstr̥tam||15|| In winters vehicles, beds and seats should be well covered and spread over with thick quilts, deer or tiger skins, silken sheets, gunny-cloth sheets or blankets. [15]

देशानामामयानां च विपरीतगुणं गुणैः| सात्म्यमिच्छन्ति सात्म्यज्ञाश्चेष्टितं चाद्यमेव च||५०|| dēśānāmāmayānāṁ ca viparītaguṇaṁ guṇaiḥ| sātmyamicchanti sātmyajñāścēṣṭitaṁ cādyamēva ca||50|| deshAnAmAmayAnAM ca viparItaguNaM guNaiH| sAtmyamicchanti sAtmyaj~jAshceShTitaM cAdyameva ca||50|| Experts of the principles of satmya (adaptation) consider that diet and behavior opposite to the qualities of the habitat of the individual and of the causative factors of the diseases prevalent in the location, can be adapted to. [50]