月挽浅白阳挽深黑
[yuè wăn qiăn bái yáng wăn shēn hēi]
With 'moon clasping pale hues, sun clasps deep darkness,' this idiomatically juxtaposes opposites to explore dualities of personality within oneself or relationships - tranquility amidst turbulence, light alongside shadows, peace intertwined with strife