According to their pasture, so were they filled; they were filled, and their heart was exalted; therefore have they forgotten me.
According to their pasture, so were they filled. Image from cattle waxing wanton in abundant pasture (cf. Hosea 2:5; Hosea 2:8; Deuteronomy 32:13-15). In proportion as I fed them to the full, they were so satiated that 'their heart was exalted;' a sad contrast to the time when, by God's blessing, Ephraim truly "exalted himself in Israel" (Hosea 13:1).
Therefore have they forgotten me - the very reason why men should remember God, namely, prosperity, which comes from Him, is the cause often of their forgetting Him. God had warned them of this danger (Deuteronomy 6:11-12).