עמוס ז:יב פירוש: רש״י

“Seer”—You, who prophesy the future.

go, run away to the land of Judah—for there is the sanctuary of the Holy One, blessed be He, in Whose Name you prophesy.

and eat bread there—This is an expression of derision. He said to him, “There they will give you crumbs of bread as pay for what you prophesy.”