The system that people work in and the interaction with people may account for 90 or 95 percent of performance.

You can expect what you inspect.

The aim of education should be to preserve and nurture the yearning for learning that a child is born with.

People copy examples and then they wonder what is the trouble. They look at examples and without theory they learn nothing.

Any two people have different ideas of what is important.

Each system is perfectly designed to give you exactly what you are getting today.

Manage the cause, not the result.