Srila Prabhupada has crossed all the borders of our world to spread Krishna Consciousness.
Simply we have to desire to please Him (Krishna) and not desire anything for ourselves. Then we become simply instrument for his will. This is the important essence of Krishna consciousness. — In his Letter to Atreya Rishi, 20th Oct, 1973.
Elevation is possible in Krishna Consciousness in the association of pure devotees who can deliver one from delusion.
The process (of Krishna Consciousness) works; but we have to take the medicine properly. Problems start when we give up the process.
There is no question of darkness where there is light and Krishna consciousness is light that dispels the darkness of material sense enjoyment.
Srila Prabhupada in his book Teaching of Lord Chaitanya