LANDTECH - To the pessimist, the glass is half empty. To the optimist, the glass is half full. To the engineer, the glass is twice the size it needs to be. | Facebook
createwithalan: #57/100: Half Empty/Half Full or What Else?
This is the actual difference between half-full and half-empty thinkers
It's not whether the glass is half-empty or half-full, it's whether the contents will quench your thirst. | kevinliebl.com - Insights on Leadership
Is the glass half empty or half full? - Wikipedia
Glass Half Empty and Glass Half Full | Idioms Online