The wise legislator will only rarely initiate a new rule of behaviour; more usually he will confine himself to affirming in law what has already become the custom of the people.

The map is not the territory (coined by Alfred Korzybski), and the name is not the thing named.

Numbers are the product of counting. Quantities are the product of measurement. This means that numbers can conceivably be accurate because there is a discontinuity between each integer and the next.

Logic is a poor model of cause and effect.

We are discovering today that several of the premises which are deeply ingrained in our way of life are simply untrue and become pathogenic when implemented with modern technology.

To think straight, it is advisable to expect all qualities and attributes, adjectives, and so on to refer to at least two sets of interactions in time.

It is to the Riddle of the Sphinx that I have devoted fifty years of professional life as an anthropologist.