For a person to become deeply involved in any activity it is essential that he knows precisely what tasks he must accomplish, moment by moment.

Few things are sadder than encountering a person who knows exactly what he should do, yet cannot muster enough energy to do it. "He who desires but acts not," wrote Blake with his accustomed vigor, "Breeds pestilence.

Enjoyment appears at the boundary between boredom and anxiety, when the challenges are just balanced with the person's capacity to act.

Competition is enjoyable only when it is a means to perfect one’s skills; when it becomes an end in itself, it ceases to be fun.

Act as if the future of the universe depends on what you do, while laughing at yourself for thinking that your actions make any difference.

Good design is a visual statement that maximizes the life goals of the people in a given culture (or, more realistically, the goals of a certain subset of people in the culture) that draws on a shared symbolic expression for the ordering of such goals.

In large organizations the dilution of information as it passes up and down the hierarchy, and horizontally across departments, can undermine the effort to focus on common goals.