1140
Śrīmad-Bhāgavatam
[Canto 3, Ch. 27]
One has to fix the mind at the lotus feet of Kṛṣṇa; then everything will be very nice. Thus the seriousness of  bhakti-yoga  is stressed in this verse.
TEXT 6
यमादिभिर्योगपथैरभ्यसञ् श्रद्धयान्वितः । मयि भावेन सत्येन मत्कथाश्रवणेन च ॥ ६ ॥
yamādibhir yoga-pathair   abhyasañ śraddhayānvitaḥ   mayi bhāvena satyena   mat-kathā-śravaṇena ca
yama-ādibhiḥ —beginning with  yama ;  yoga-pathaiḥ —by the  yoga  system;  abhyasan —practicing;  śraddhayā anvitaḥ —with great faith;  mayi —unto Me;  bhāvena —with devotion;  satyena —unalloyed;  mat-kathā —stories about Me;  śravaṇena —by hearing;  ca —and.
TRANSLATION
One has to become faithful by practicing the controlling process of the  yoga  system and must elevate himself to the platform of unalloyed devotional service by chanting and hearing about Me.
PURPORT
Yoga  is practiced in eight different stages:  yama ,  niyama ,  āsana ,  prāṇā-yāma ,  pratyāhāra ,  dhāraṇā ,  dhyāna , and  samādhi .  Yama  and  niyama  mean practicing the controlling process by following strict regulations, and  āsana  refers to the sitting postures. These help to raise one to the standard of faithfulness in devotional service. The practice of  yoga  by physical exercise is not the ultimate goal; the real end is to concentrate and to control the mind and train oneself to be situated in faithful devotional service.
Bhāvena , or  bhāva , is a very important factor in the practice of  yoga  or in any spiritual process.  Bhāva  is explained in  Bhagavad-gītā  (10.8).  Budhā bhāva-samanvitāḥ : one should be absorbed in the thought of love of Kṛṣṇa. When one knows that Kṛṣṇa, the Supreme Personality of Godhead, is the source of everything and that everything emanates from Him ( ahami sarvas-ya prabhavaḥ ), then one understands the  Vedānta  aphorism  janmādy asya yataḥ  (the original source of everything), and then he can become absorbed in  bhāva , or the preliminary stage of love of Godhead.