Texts 11-12
Տնդկ փայ-սօջա
319
and thus he is always free from feelings of personal possession. As such, he has no hankering for anything on his own personal account. He knows how to accept things in favor of Krṣṇa consciousness and how to reject things unfavorable to Krṣṇa consciousness. He is always aloof from material things because he is always transcendental, and he is always alone, having nothing to do with persons not in Krṣṇa consciousness. Therefore a person in Krṣṇa consciousness is the perfect  yogī .
TEXTS 11-12
शुचौ देशे प्रतिष्ठाप्य स्थिरमासनमात्मनः । नात्युच्छ्रितं नातिनीचं चैलाजिनकुशोत्तरम् ॥११॥ तत्रैकाग्रं मनः कृत्वा यतचित्तेन्द्रियक्रियः । उपविश्यासने युङ्याद्योगमात्मविशुद्धये ॥१२॥
śucau deśe pratiṣṭhāpya sthiram āsanam ātmanaḥ nāty-ucchritaṁ nātinīcaṁ cailājina-kuśottaram tatraikāgraṁ manaḥ kṛtvā yata-cittendriya-kriyaḥ upaviśyāsane yuñjyād yogam ātma-viśuddhaye
śucau —in sanctified;  deśe —in the land;  pratiṣṭhāpya —placing;  sthiram —firm;  āsanam —seat;  ātmanaḥ —self-dependent;  na —not;  ati —too;  ucchritam —high;  na —nor;  ati —too;  nīcam —low;  caila-ajna —soft cloth and deerskin;  kuśottaram — kuśa  grass;  tatra —thereupon;  ekāgram —one attention;  manaḥ —mind;  kṛtvā —doing so;  yata-citta —controlling the mind;  indriya —senses;  kriyaḥ —activities;  upaviśya —sitting on;  āsane —on the seat;  yuñjyāt —execute;  yogam — yoga  practice;  ātma —heart;  viśuddhaye —for clarifying.
TRANSLATION
To practice yoga, one should go to a secluded place and should lay kuśa-grass on the ground and then cover it with a deerskin and a soft cloth. The seat should neither be too high nor too low and should be situated in a sacred place. The yogī should then sit on it very firmly and