His Divine Grace A.C. Bhaktivedanta Swami Prabhupāda

His Divine Grace A.C. Bhaktivedanta Swami Prabhupada
vande rupa-sanatanau raghuyugau sri-jiva-gopalakau.
[Sad-gosvamy-astaka 2]
We are following in the footsteps of Lord Caitanya Mahaprabhu in order to understand Krsna consciousness. Krsna, the Supreme Personality of Godhead, is said in Sri Isopanisad to be very far away from us yet at the same time to be very near. Isvara, the supreme controller, is situated in everyone's heart, not only in the hearts of human beings, but also within the beasts, birds, aquatics, and even within the atoms themselves. We simply have not realized Him. Actually anyone, however, can find Krsna within his heart.
The process of finding Krsna is called yoga. There are many types of yoga. In the Western countries people are generally familiar with the process of hatha-yoga. This is an approved method and is described in the Sixth Chapter of Bhagavad-gita. At the present moment, however, people are short-lived, they are not very fortunate, and they are always disturbed by many external affairs, and therefore it is not possible to properly execute this hatha-yoga. Even five thousand years ago when Krsna advised His friend Arjuna to accept the hatha-yoga process, Arjuna said, "Krsna, this practice is impossible." He further said that to control the mind is as difficult as to control the wind. The mind flickers from one engagement to another and changes so swiftly that it is very difficult to control it in this age. Therefore Arjuna said that for him this process of hatha-yoga was not possible.
In order to encourage Arjuna, Krsna said that the yogi who always thinks of Him with love and faith is the topmost yogi. This Krsna consciousness movement is attempting to teach the people in general this process of Krsna consciousness, which is the topmost yoga. In order to succeed in this process, we have to accept the bona fide method for this age, and that is the chanting of the Hare Krsna mantra, as enjoined by Lord Caitanya: harer nama harer nama harer namaiva kevalam/ kalau nasty eva nasty eva nasty eva gatir anyatha. "Chant the holy name, chant the holy name, chant the holy name. In this Age of Kali there is no other alternative, no other alternative, no other alternative for God realization."