"and yet, while China holds our friendship, Heaven is a neighbor" is a poem with similar and relative concepts.

However, China keeps our friendship, and heaven is still our neighbor: Mochow has no confidant in the future, and everyone in the world knows Jun (similar).

To see the sun, for all his glory, buried in the coming night: the east corner has gone, and the mulberry is not too late (relative)

Young people who don't work hard are sad: black hair doesn't know how to work early, and white head regrets studying late (similar)