Crossword puzzle clue "dish out more work than can be completed"

Dish out more work than can be completed

Opus ___ (Catholic teaching also called "the Work, work work work work")

"The Olympics can no more have a deficit than a man can have a baby", he said

Temporary storage for completed work

Beethoven work completed the same year as the "Moonlight"

Poet whose classic work is hidden in this puzzle (see the circled squares of the completed the puzzle)

Surreptitious charge from a cell phone provider, perhaps...or what you can find seven times in this puzzle's completed grid?

Historic symbol whose shape can be found hidden in this completed puzzle