What is the Jigsaw of Life?

JIGSAW PUZZLE
 
I do not even have one piece of the jigsaw.
I don’t know how many pieces there are
or what the picture on the lid of the box is.
 
Yet this is a jigsaw that will be completed.
For the search for pieces and the piecing together
will answer every question.

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PERSONAL DEVELOPMENT EXERCISE
1. What pieces have you found so far?
2. What pieces are missing?

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Day 97 of Des McCabe's Personal Development Exercises