Leadership exists when people are no longer victims of circumstances but participate in creating new circumstances. Leadership is about creating a domain in which human beings continually deepen their understanding of reality and become more capable of participating in the unfolding of the world. Ultimately, leadership is about creating new realities.

Mental models are deeply ingrained assumptions, generalizations, or even pictures of images that influence how we understand the world and how we take action.

People with a high level of personal mastery are able to consistently realize the results that matter most deeply to them-in effect, they approach their life as an artist would approach a work of art. The do that by becoming committed to their own lifelong learning.

It's common to say that trees come from seeds. But how can a tiny seed create a huge tree? Seeds do not contain the resources need to grow a tree. These must come from the medium or environment within which the tree grows. But the seed does provide something that is crucial : a place where the whole of the tree starts to form. As resources such as water and nutrients are drawn in, the seed organizes the process that generates growth. In a sense, the seed is a gateway through which the future possibility of the living tree emerges.

Don't push growth; remove the factors limiting growth.

When placed in the same system, people, however different, tend to produce similar results.

We learn together in teams. This involves a shift from a spirit of advocacy to a spirit of enquiry.