"Productivity growth, however it occurs, has a disruptive side to it. In the short term, most things that contribute to productivity growth are very painful."

Next Quote

The problem that first demands solution is to discover the disruptive agent which would be potent enough to rip the Cloghvorra Stone from its parent bed, to bear it down the valley for miles, and to cast it on the mountain side.

— Robert Stawell Ball