"If they fail to do that and something else comes up, the rings won't be tarnished, they'll be broken, " he said.

CNN: ASIANOW - TIME Asia

One is that in order to learn how to do something well, you have to fail sometimes.

FORBES: Steve Jobs' 1985 Response to Andrew Ross Sorkin

This sometimes allows them to do something at which most people fail, but it also means they hardly ever hit the forecasts in their business plans.

ECONOMIST: A different breed of manager