The major problems in the world are the result of the difference between how nature works and the way people think.
– Gregory Bateson
To understand the behavior of a complex system we must understand not only the behaviour of the parts but how they act together to form the whole.
– Yaneer Bar-Yam
People only see what they are prepared to see.
– Ralph Waldo Emerson
The eye sees only what the mind is prepared to comprehend.
– Robertson Davies
It is the theory that decides what can be observed.
– Albert Einstein