New insights fail to get put into practice because they conflict with deeply held internal images of how the world works...images that limit us to familiar ways of thinking and acting. That is why the discipline of managing mental models - surfacing, testing, and improving our internal pictures of how the world works - promises to be a major breakthrough for learning organizations.

Over the long run, superior performance depends on superior learning.

Teams, not individuals, are the fundamental learning unit in modern organizations. This is where the "rubber stamp meets the road"; unless teams can learn, the organization cannot learn.

The capacity of a human community to shape it's future.

How has the world of the child changed in the last 150 years?" The answer is. "It's hard to imagine any way in which it hasn't changed.They're immersed in all kinds of stuff that was unheard of 150 years ago, and yet if you look at schools today versus 100 years ago, they are more similar than dissimilar.

Collaboration is vital to sustain what we call profound or really deep change, because without it, organizations are just overwhelmed by the forces of the status quo.

When all is said and done, the only change that will make a difference is the transformation of the human heart.