“So, what is a system? 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.” — Donella H. Meadows Copy Share Image
“Model utility depends not on whether its driving scenarios are realistic (since no one can know that for sure), but on whether it responds with a realistic pattern of behavior.” — Donella H. Meadows Copy Share Image
“So, what is a system? A system is a set of things—people, cells, molecules, or whatever—interconnected in such a way that they produce their… — Donella H. Meadows Copy Share Image
“People don't need enormous cars; they need admiration and respect. They don't need a constant stream of new clothes; they need to feel that… — Donella H. Meadows Copy Share Image
“When we, system dynamicists, see a pattern persist in many parts of a system over long periods, we assume that it has causes embedded… — Donella H. Meadows Copy Share Image
“But rules for sustainability, like every workable social rule, would be put into place not to destroy freedoms, but to create freedoms or to… — Donella H. Meadows Copy Share Image
“You think that because you understand “one” that you must therefore understand “two” because one and one make two. But you forget that you… — Donella H. Meadows Copy Share Image
“The difference between a sustainable society and a present-day economic recession is like the difference between stopping and automobile purposefully with the brakes versus… — Donella H. Meadows Copy Share Image
“We can't impose our will on a system. We can listen to what the system tells us, and discover how its properties and our… — Donella H. Meadows Copy Share Image
“Model utility depends not on whether its driving scenarios are realistic (since no one can know that for sure), but on whether it responds… — Donella H. Meadows Copy Share Image
“Designing a system for intrinsic responsibility could mean, for example, requiring all towns or companies that emit wastewater into a stream to place their… — Donella H. Meadows Copy Share Image
“a system must consist of three kinds of things: elements, interconnections, and a function or purpose.” — Donella H. Meadows Copy Share Image
“The systems-thinking lens allows us to reclaim our intuition about whole systems and • hone our abilities to understand parts, • see interconnections, •… — Donella H. Meadows Copy Share Image
“One of the strangest assumptions of present-day mental models is the idea that world of moderation must be a world of strict, centralized government… — Donella H. Meadows Copy Share Image
“We see no reason why a sustainable world needs to leave anyone living in poverty. Quite the contrary, we think such a world would… — Donella H. Meadows Copy Share Image
“Because we bump into reinforcing loops so often, it is handy to know this shortcut: The time it takes for an exponentially growing stock… — Donella H. Meadows Copy Share Image