I wasn't thinking of it as a Community joke, but rather a Dan Harmon quote/meme that he placed in Community (he's nothing if not meta). If my memory is correct

I wasn't thinking of it as a Community joke, but rather a Dan Harmon quote/meme that he placed in Community (he's nothing if not meta). If my memory is correct (and it does get a bit fuzzy over time), my comment above is paraphrasing him or some other explanation of the saying.