गोविन्द भाष्य (श्रील बलदेव विद्याभूषण - अचिन्त्यभेदाभेद वेदान्त ब्रह्मसूत्र भाष्य सटीक)

"The earth is still, as if it were rapt in meditation." This also hints that meditation should be performed when one is sitting in a yoga āsana. Even in the mundane affairs of the world the word "dhyāna" is used in this way, as in the sentence, "dhyāyati kāntaṁ proṣita-ramaṇī" (the girl is still, rapt in meditation on her absent beloved). Sūtra 10 smaranti ca smaranti—the Smṛti-śāstra; ca—also. The Smṛti-śāstra also. Purport by Śrīla Baladeva Vidyābhūṣaṇa In Bhagavad-gītā (7.11-13), the Supreme Personality of Godhead explains: śucau deśe pratiṣṭhāpya sthiram āsanam ātmanaḥ nāty-ucchritaṁ nāti-nīcaṁ cailājina-kuśottaram tatraikāgraṁ manaḥ kṛtvā yata-cittendriya-kriyaḥ upaviśyāsane yuñjyāt yogam ātma-viśuddhaye samaṁ kāya-śiro-grīvaṁ dhārayann acalaṁ sthiraḥ samprekṣya nāsikāgraṁ svaṁ diśaś cānavalokayan "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 be neither too high nor too low and should be situated in a sacred place. The yogī should then sit on it very firmly and practice yoga to purify the heart by controlling his mind, senses, and activities and fixing the mind on one point. One should hold one's body, head, and neck erect in a straight line and stare steadily at