A wealth of information creates a poverty of attention.

A complex decision is like a great river, drawing from its many tributaries the innumerable premises of which it is constituted.

Anything that gives us new knowledge gives us an opportunity to be more rational.

Most of us really aren't horribly unique. There are 6 billion of us. Put 'em all in one room and very few would stand out as individuals. So maybe we ought to think of worth in terms of our ability to get along as a part of nature, rather than being the lords over nature

Engineering, medicine, business, architecture and painting are concerned not with the necessary but with the contingent - not with how things are but with how they might be - in short, with design.

Creativity is no less challenging or exciting when the mystery is stripped from the creative process. The most beautiful flowers grow under careful cultivation from common soil.

The aim ... is to provide a clear and rigorous basis for determining when a causal ordering can be said to hold between two variables or groups of variables in a model . . . . The concepts refer to a model-a system of equations-and not to the 'real' world the model purports to describe.