see the glass half full

see the glass (as) half full

to believe that a situation is more good than bad I'm an optimist - I see the glass as half full and think we'll come through this difficult time OK.
Usage notes: also used in the form the glass is half full (the situation is seen as good or hopeful): To some people, the glass is always half full.
Related vocabulary: half a loaf
See also: full, glass, half, see