The mistake managers often make is defining their industry too narrowly. Digital's market share in the minicomputer market stayed very robust even as it fell off the cliff. Disruption seems to come out of nowhere, but if you know what to look for, you can spot important developments well before the market does.

Many think of management as cutting deals and laying people off and hiring people and buying and selling companies. That's not management, that's deal making. Management is the opportunity to help people become better people. Practiced that way, it's a magnificent profession.

Because of the disruption phenomenon - technological progress outstripping the ability of customers to utilize it - the general tendency is for the money to migrate toward the subsystems.

You can talk all you want about having a clear purpose and strategy for your life, but ultimately this means nothing if you are not investing the resources you have in a way that is consistent with your strategy. In the end, a strategy is nothing but good intentions unless it's effectively implemented.

Disruption is, at its core, a really powerful idea, but everyone hijacks the idea to do whatever they want now.

If you take away religion, you can't hire enough police.

Children build self-esteem by doing things that are hard and learning what works.