“Whether your glass is half full or half empty there's still room for more wine.”
“Is the glass half full, or half empty? It depends on whether you're pouring, or drinking.”
“...she was a level-headed woman who saw the glass as neither half empty nor half full, but rather a glass with something in it and room to pour in more...”
“People who argue whether the glass is half empty or half full are probably not thirsty.”
“Half full, half empty, what the hell difference does it make? If there's something in the damn glass, drink it.”
“The glass is not half empty; it is half full.”