Mom implies child aka impressed to compressed to expressed aka a channel from sea to land, hence giving birth (to bear) to a berth (a temporary formed vessel; anchored within the momentum of ongoing flow).
A bridge implies land to land; choice to choice; temporary to temporary; while ignoring the ongoing; hence "a bridge of troubled waters"...only that ignorance (darkness) allows trolls a habitation to suggest restrictions of passage from.
Mom implies child aka impressed to compressed to expressed aka a channel from sea to land, hence giving birth (to bear) to a berth (a temporary formed vessel; anchored within the momentum of ongoing flow).
A bridge implies land to land; choice to choice; temporary to temporary; while ignoring the ongoing; hence "a bridge of troubled waters"...only that ignorance (darkness) allows trolls a habitation to suggest restrictions of passage from.