Grind at that grindstone

We’ve just watched “Mary Poppins” for oh, the 5th time. My daughter is enamored. Does she get it? Not more than “Mary Poppins is magic”. Watching it as an adult lends a whole new perspective.

Bert: You’re a man of high position, esteemed by your peers.
Bert: And when your little tykes are crying, you haven’t time to dry their tears… And see their thankful little faces smiling up at you… ‘Cause their dad, he always knows just what to do…
George Banks: Well, look – I…
Bert: Say no more, Gov’ner.
Bert: You’ve got to grind, grind, grind at that grindstone… Though childhood slips like sand through a sieve… And all too soon they’ve up and grown, and then they’ve flown… And it’s too late for you to give – just that spoonful of sugar to ‘elp the medicine go down – medicine go dow-wown, medicine go down.