Because we employ no professional preachers, it means that every sermon or lesson in church is given by a regular member - women and men, children and grandparents.

Christine and I haven't raised our children. A whole community of selfless Christians has contributed to helping them become faithful, competent adults.

The biggest mistake is an over-reliance on data. Managers will say if there are no data they can take no action. However, data only exist about the past. By the time data become conclusive, it is too late to take actions based on those conclusions.

In 15 years from now half of US universities may be in bankruptcy ... in the end I'm excited to see that happen. So pray for Harvard Business School if you wouldn't mind.

In my first career I had founded my own company, with a group of MIT professors, before coming to Harvard to finish my doctorate, and so I had a deep respect for the brains, talent, and dedication of managers. That made it hard for me to believe the attributions in the business press that stupid management was to blame. So I looked elsewhere for an explanation.

If I know what to spec, and I can measure it, and there are no unpredictable interdependencies between what you do and what I must do in response, then an economist would say that is sufficient information for a market to emerge between you and me.

It's like in biological evolution: The population will evolve, even though individuals can't. The same thing happens in the corporate world: The population of business units within corporations evolves, even though individual business units can't. That's because the capabilities of business units reside in their processes and their values, and by their very nature, processes and values are inflexible and meant not to change.