“The glass is not half empty; it is half full.”
“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.”
“The glass is neither half full or half empty but merely too large for the contents.”
“Half full or half empty, just be thankful if your glass has anything in it at all.”
“doesn't matter if the glass is half full or half empty... drink it and get on with your life.”