By His Divine Grace A. C. Bhaktivedanta Swami Prabhupada
If you place your loving tendency to Vāsudeva, then vāsudeve bhagavati bhakti-yogaḥ. This can be done perfectly by bhakti-yoga, not by any other system. There are different yoga systems. Everything is mixed up with a little bhakti like karma-yoga, jnāna-yoga, dhyāna-yoga.. But the real yoga means loving Vāsudeva, Bhagavān. Therefore Bhagavān says in the Bhagavad-gita, yogināṁ api sarveṣāṁ [Bg. 6.47]. In all other yoga systems there is little tinge of vāsudeva-bhakti, but not cent percent pure. It is mixed, miśrā-bhakti. Miśrā-bhakti will not be immediately fruitful. It will take a long, long time. Bahūnām janmanām ante jnānavān mām prapadyate [Bg. 7.19]. Everything, there is some bhakti-yoga, but if it is not pure, then it will take very, very, very, very long time.
Bahūnām janmanām: One janma (birth) means hundreds of years. We are not talking of any other janma. Even human form of life. Because those who are advanced in spiritual life, there is every possibility for getting next life a human being. Otherwise nobody knows. Those who are ignorant, they do not know that there will be change of body: tathā dehāntara prāptir. That is a fact. But those who are in the sattva-guṇa, they are sure to get next life in the human society. Śucīnāṁ śrīmatāṁ gehe yoga-bhraṣṭo sanjāyate [Bg. 6.41]. śucīnāṁ means pure brāhmaṇa, and śrīmatāṁ means very rich vaiśya or kṣatriya. Kings and mercantile communities are rich, or śrīmat. Śrī means opulence, and mat means “one who has”. Śrīmatām. Continue reading