The most important measures are both unknown and unknowable.

The source of innovation is freedom. All we have - new knowledge, invention - comes from freedom. Discoveries and new knowledge come from freedom. When somebody is responsible only to himself, [has] only himself to satisfy, then you'll have invention, new thought, now product, new design, new ideas.

It is important that an aim never be defined in terms of a specific activity or method. It must always relate to a better life for everyone.

A manager of people knows that in this stable state it is distracting to tell the worker about a mistake.

Don't expect smart people to listen to you without proof.

The questions are more important than the answers.

...the most important things we need to manage can't be measured.