The meaning of a sentence in classical Chinese.

Sui: satisfy one's heart; satisfy one's heart

Ye: bright and shining

"Reply to Li Yi Shu" by Han Yu of the Tang Dynasty

It means that only when the roots of the tree are solid can the fruits be produced well, and if the oil and water in the animal's body are sufficient, its skin will be shiny.

This illustrates the principle that writing articles and speaking should be based on strengthening ideological cultivation