The Personality of Godhead may not be present before one's eyes, but if one is sincere in wanting such guidance, the Lord will send a bona fide person who can guide one properly back home, back to Godhead.
There are many societies and associations of pure devotees and if someone with just a little faith begins to associate with such societies, his advancement to pure devotional service is rapid.
One has to ascertain the right path for his activities by following in the footsteps of great saintly persons and books of knowledge under the guidance of a spiritual master.
One should place himself under the direct guidance of a particular associate of Krishna and should follow in his footsteps.