Hathayoga 1-12

सुराज्ये धार्मिके देशे सुभिक्षे निरुपद्रवे ।

धनुः प्रमाण-पर्यन्तं शिलाग्नि-जल-वर्जिते ।

एकान्ते मठिका-मध्ये स्थातव्यं हठ-योगिना ॥ १२॥

Surājye dhārmike deśe subhikshe nirupadrave dhanuh pramānaparyantam śilāgnijalavarjite Ekānte mathikāmadhye sthātavyam hathayoginā

The Yogî should practise Hatha Yoga in a small room, situated in a solitary place, being 4 cubits square, and free from stones, fire, water, disturbances of all kinds, and in a country where justice is properly administered, where good people live, and food can be obtained easily and plentifully.