No one can define or measure justice, democracy, security, freedom, truth, or love. No one can define or measure any value. But if no one speaks up f…

- Donella Meadows

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 eac…

- Donella Meadows

There are no separate systems. The world is a continuum. Where to draw a boundary around a system depends on the purpose of the discussion.

- Donella Meadows

The sustainability revolution will be organic. It will arise from the visions, insights, experiments and actions of billions of people. The burden of…

- Donella Meadows

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 t…

- Donella Meadows

Speak the truth. Speak it loud and often, calmly but insistently, and speak it, as the Quakers say, to power. Material accumulation is not the pur…

- Donella Meadows

Eleventh Commandment: Thou shalt not distort, delay, or sequester information

- Donella Meadows

Since the Earth is finite, and we will have to stop expanding sometime, should we do it before or after nature's diversity is gone?

- Donella Meadows

We can't control systems or figure them out. But we can dance with them!

- Donella Meadows