translation.en: At the source of the longest river the voice of a hidden waterfall not known because not looked for, but heard, half heard in the stillness beneath the waves of the sea."
translation.zh: 在最漫长的大河的源头 有深藏的瀑布的飞湍声 这些你都不知道，因为你并没有去寻找 而只是听到，隐约听到 在大海两次潮汐之间的寂静里”