"We didn't build our bridges simply to avoid walking on water. Nothing so obvious. A bridge is a meeting place. A neutral place. A casual place. Enemies will choose to meet on a bridge and end their quarrel in that void... For lovers, a bridge is a possibility, a metaphor of their chances. And for the traffic in whispered goods, where else but a bridge in the night?"

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Sometimes a god comes.... He brings a new way to do a thing, or a new thing to be done. A new kind of singing, or a new kind of death. He brings this across the bridge between the dream-time and the world-time. When he has done this, it is done. You cannot take things that exist in the world and try to drive them back into the dream, to hold them inside the dream with walls and pretenses. That is insanity. What is, is. There is no use pretending, now, that we do not know how to kill one another.

— Ursula K. Le Guin