Abe Lincoln made an interesting comment:
“If I had eight hours to chop down a tree, I'd spend six hours sharpening my ax”
This suggests that most of the 80% "non-productive time" he would spend on preparing well for the actual productive time he did spend. It seems he was aware of the need to prepare well, so that when the time came for the 20%, he was ready and could work effectively.
Okay, that's enough for a late night musing....


