A pessimist, they say, sees a glass of water asMon, 12/23/2013 - 16:49

Quotes about Volunteers and Volunteering

A pessimist, they say, sees a glass of water as being half empty; an optimist sees the same glass as half full. But a giving person sees a glass of water and starts looking for someone who might be thirsty.

Original Source 
G. Thomas Gale