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

Additional problems are the offspring of poor decisions. When inquiry and advocacy are combined, the goal is no longer 'to win the argument', but to find the best argument.

Through learning we re-create ourselves. Through learning we become able to do something we never were able to do. Through learning we reperceive the world and our relationship to it. Through learning we extend our capacity to create, to be part of the generative process of life.

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

The rate at which organizations learn may soon become the only sustainable source of competitive advantage.

Learning to see the structures within which we operate begins a process of freeing ourselves from previously unseen forces and ultimately mastering the ability to work with them and change them.

Willpower is so common among highly successful people that many see its characteristics as synonymous with success.