The three great essentials to achieve anything worthwhile are, first, hard word; second, stick-to-itiveness; third, common sense.
Thomas A. Edison
sept
10
2013
The three great essentials to achieve anything worthwhile are, first, hard word; second, stick-to-itiveness; third, common sense.
Thomas A. Edison
One of the frustrating aspects of systems is that purposes of parts may add up to overall behavior that no one wants." Donella H. Meadows |
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