There may be so many impediments for a person who is chanting Hare Krsna. Nonetheless, tolerating all these impediments, one should continue to chant Hare Krsna, Hare Krsna, Krsna Krsna, Hare Hare/ Hare Rama, Hare Rama, Rama Rama, Hare Hare, so that at the end of one's life one can have the full benefit of Krsna consciousness.
(Srila Prabhupada, Bg 8.5 purport)