Ask for an ancient poem with rhetorical devices, please attach an analysis for urgent use. thank you

Seven step poem

Boil beans and burn beans, and the beans cry in the pot.

We are born from the same root. What's the hurry?

This is a poem written by Cao Zhi to Cao Pi. In the poem, a simple and vivid metaphor shows that brothers are brothers and should not be suspicious and resentful. It is natural for Wendy to be ashamed of her justice.