Jesus speaks of sin in a person's life as if it were dirty clothes. Alternate translation: "have not made their lives sinful like dirty clothes" (See: [[rc://en/ta/man/translate/figs-metaphor]])
White clothes represent a pure life without sin. Alternate translation: "and they will be dressed in white, which shows that they are pure" (See: [[rc://en/ta/man/translate/figs-metaphor]])