The document discusses systems thinking as a discipline. It defines what a system is and provides examples. It also discusses common myths and misconceptions about systems thinking, such as that it is too complex, not part of traditional scientific methods, or not action-oriented. The document outlines Peter Senge's view of a learning organization and the five disciplines of learning. It presents principles of systems thinking, such as wholeness, openness, patterns, purposefulness, and multidimensionality. Finally, it provides five principles for improved systems thinking, such as that systems are more than the sum of their parts and outcomes can be cumulative and delayed.