Alma 3:40 Yea, his garments must be purified until they are cleansed from all stain, through the blood of him of whom it has been spoken by our fathers who should come to redeem his people from their sins.
Alma 14:34 Now my best beloved brethren, since God hath taken away our stains, and our swords have become bright, then let us stain our swords no more with the blood of our brethren:
Alma 14:39 And now behold, since it has been as much as we could do to get our stains taken away from us, and our swords are made bright,