Dhammapada 1.17
The evil-doer suffers in this world, and he suffers in the next; he suffers in both. He suffers when he thinks of the evil he has done; he suffers more when going on the evil path.
The evil-doer suffers in this world, and he suffers in the next; he suffers in both. He suffers when he thinks of the evil he has done; he suffers more when going on the evil path.