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Thinking books · Systems thinking · Peter Senge, 1990

The Fifth Discipline — the big ideas

Systems thinking applied to organisations, and what stops groups from learning.

Free — no account needed to read

The big ideas

Recurring patterns — shifting the burden to a quick fix, limits to growth, escalation between rivals — appear in unrelated organisations because the structure, not the industry, produces them.

Mental models: what a group takes for granted determines what it can consider, and surfacing those assumptions is a deliberate practice rather than a conversation that happens naturally.

The structure of a discussion determines whether disagreement produces learning or defensiveness, which makes how a meeting runs a systems question.

Today’s problems frequently come from yesterday’s solutions, which is the single most useful sentence in it.

Practise it — no need to have read it

Take a current problem at work. Ask what previous solution created it, and what that solution was solving.

A hint: Very often the old fix is still running and nobody remembers why.

Where it shows up in real life

  • Organisational problems
  • Process that has accumulated
  • Team learning

Described in our own words with the source named — never quoted, and not a substitute for reading the book.

Thinking methods from this book

  • And then what? — Following consequences past the one you intended.

The thinking it builds

  • Systems Thinking — Understand connections and consequences

Previous: Thinking in Systems — Donella Meadows

Next: The Systems Bible — John Gall

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