What are Gong Zizhen's poems praising obscure people who are willing to contribute?

Gong Zizhen's sentence, "Falling in red is not a heartless thing, but turning into spring mud protects flowers more", is a praise for people who are unknown and willing to contribute.

The full text is as follows:

Ji hai's five miscellaneous poems

Dynasty: Qing dynasty

Author: Gong Zizhen

The vast sadness of parting extends to the setting sun, away from Beijing, riding a whip to the east, feeling that people are on earth.

I quit my job and go home, just like a flower falling from a branch, but this is not a heartless thing. It can be turned into the soil of spring and can also play a role in nurturing the next generation.