Donella H. Meadows

The most important thing we can do is to learn how to think in systems.

Systems thinking is a way of seeing the world that emphasizes the relationships between things.

Change is a process, not an event.

You can’t really understand anything until you know the whole system.

Leverage points are places in a system where a small shift can lead to big changes.

A system is more than the sum of its parts.

We need to focus on the long term and the big picture.

Feedback loops are essential to the functioning of systems.

The most important thing we can do is to learn to see the world as a system.

The world is a complex place, and systems thinking helps us to understand it.