There are no morals about technology at all. Technology expands our ways of thinking about things, expands our ways of doing things. If we're bad people we use technology for bad purposes and if we're good people we use it for good purposes.

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.

Solving a problem simply means representing it so as to make the solution transparent.

No one has characterized market mechanisms better than Friedrich von Hayek

All correct reasoning is a grand system of tautologies, but only God can make direct use of that fact

I don't care how big and fast computers are, they're not as big and fast as the world.

Forget about Nobel prizes; they aren't really very important.