כְּמַרְעִיתָם֙ וַיִּשְׂבָּ֔עוּ שָׂבְע֖וּ וַיָּ֣רָם לִבָּ֑ם עַל־כֵּ֖ן שְׁכֵחֽוּנִי׃
When they were fed, they became full, They were filled, and their heart was exalted; Therefore have they forgotten Me.
Rashi on Hosea
When they grazed When they entered the land of their pasture and they were sated, then...
Rashi on Hosea
they were sated and their heart became haughty (Ex. 7:20) “And he lifted (וַיָרֶם) the staff,” is an expression of lifting something else. “Became haughty (וַיָרָם)” here means that he himself was lifted.