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No one can define or measure justice, democracy, security, freedom, truth, or love. [...] But if no one speaks up for them, if systems aren't designed to produce them, if we don't speak about them and point toward their presence or absence, they will cease to exist.

— Donella Meadows Thinking in Systems: A Primer (2008)

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More quotes by Donella Meadows

Models can easily become so complex that they are impenetrable, unexaminable, and virtually unalterable.

Meadows (1980)

The bounded rationality of each actor in a system may not lead to decisions that further the welfare of the system as a whole.

Thinking in Systems: A Primer (2008)

If you want to understand the deepest malfunctions of systems, pay attention to the rules and to who has power over them.

Thinking in Systems: A Primer (2008)

Dynamic systems studies usually are not designed to predict what will happen. Rather, they're designed to explore what would happen, if a number of driving factors unfold in a range of different ways.

Thinking in Systems: A Primer (2008)

Calculating how much carbon is absorbed by which forests and farms is a tricky task, especially when politicians do it.

Meadows (2000)

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Love looks not with the eyes, but with the mind,
And therefore is wing'd Cupid painted blind.

William Shakespeare A Midsummer Night's Dream (1595)

To fear love is to fear life, and those who fear life are already three parts dead.

Bertrand Russell Marriage and Morals (1929)

Not for the body, but for the heart; companion and company are needed.

Sanu Sharma

Love seldom haunts the breast where learning lies,
And Venus sets ere Mercury can rise.

Alexander Pope

Attribution

Quote text and notes from Wikiquote: Donella Meadows (page history), available under CC BY-SA 4.0. Source quality and labels are our own summary of what Wikiquote records.