BG 9.30-32
Even if the most sinful worship Me, with un divided heart, he too must be accounted righteous, for he hath rightly resolved; Speedily he becometh dutiful and goeth to eternal peace; O Kaunteya, know thou for certain that My devotee perisheth never. They who take refuge with Me, O Partha, though of the womb of sin, women, Vaishyas, even Shûdras, they also tread the highest path.