Brought to you via Neil Savage's "Appreciating Girl Scout/Guide Volunteers" Compilation

Facing reality, we must accept that:

10% of the people do 80% of the work,
20% of the people do 10% of the work,
70% of the people do no work at all, but sit around and complain about how much better the result would be if they had done it.

You may note that 10% of the work never gets done.