海曾是哭蓝的天影子是时光的心
[hăi céng shì kū lán de tiān yĭng zi shì shí guāng de xīn]
A rather artistic expression meaning, 'The sea once cried into the sky blue and shadows are the heart of time,' which paints a melancholy yet deep scenario, evoking profound contemplation about memories over time.