As you're going down, and walking down the sidewalk during the day, you have to think that if there is a dispute, there's somebody in society who sees it as their job to affirmatively protect you if you're acting reasonably.
Cuando estas volviendo, y caminando por la calle durante el día tienes que pensar que si hay una disputa, hay alguien en la sociedad que lo ve como su trabajo protegerte afirmativamente si estás actuando de manera razonable.