A mistake is an event, the full benefit of which has not yet been turned to your advantage. -Unknown
–Ed Land, founder & president of Polaroid for decades & the inventor of instant photography, had this quote on a plaque on his wall
-from The Fifth Discipline by Peter M. Senge *One of my own mistakes was getting sand in my camera lenses! I had to crop out a spot on this photo. The advantage- I read up on tips for preventing this next beach visit.