“This living stuff is a lot. Too much, and not enough. Half empty, and half full.”
“The glass is neither half full or half empty but merely too large for the contents.”
“The glass is not half empty; it is half full.”
“It's not a case of the glass being half full or half empty; more that we tipped a whole half-pint into an empty pint pot. I had to see how much was there, though, and now I know.”
“Is the glass half full, or half empty? It depends on whether you're pouring, or drinking.”
“Half full, half empty - it doesn't matter. It's the same glass of water.”