黑夜不知太阳的耀眼白昼不知月亮的温柔
[hēi yè bù zhī tài yáng de yào yăn bái zhòu bù zhī yuè liàng de wēn róu]
Contrasts the brilliance of day (symbolizing brightness) with the tenderness of night (representing comfort and serenity). Highlights appreciation for diverse characteristics within different times/spaces, or persons having opposite traits yet complementing each other well.