a glass in this state is perpetually half full and half empty
if water is added to create a state of fullness, then in retrospect it was half full
if water is removed to create a state of emptyness, then in retrospect it was half empty
a glass in this state is perpetually half full and half empty
if water is added to create a state of fullness, then in retrospect it was half full
if water is removed to create a state of emptyness, then in retrospect it was half empty