Even if the most sinful worships Me, with devotion to none else, (or with single-pointedness) , he too should indeed be regarded as righteous, for he has rightly resolved.

api = even; cet = if; sudurācāraḥ = one committing the most abominable actions; bhajate = is engaged in devotional service; māṃ = unto Me; ananyabhāk = without deviation; sādhuḥ = a saint; eva = certainly; saḥ = he; mantavyaḥ = is to be considered; samyak = completely; vyavasitaḥ = situated in determination; hi = certainly; saḥ = he.;