A system is a set of things people, cells, molecules, or whatever interconnected in such a way that they produce their own pattern of behavior over time... The system, to a large extent, causes its own behavior.

Glaciers are almost gone from Glacier National Park

A good leader sets the right goals, gets things moving, and helps us to discover that we already know what to do.

Mesarovic and Pestel are critical of the Forrester-Meadows world view, which is that of a homogeneous system with a fully predetermined evolution in time once the initial conditions are specified.

The scarcest resource is not oil, metals, clean air, capital, labour, or technology. It is our willingness to listen to each other and learn from each other and to seek the truth rather than seek to be right

The climate continues to deteriorate.

The grand jury's job is not to weigh the evidence from both sides; it is only to decide whether there is enough evidence on one side to bring a person to trial.