"All correct reasoning is a grand system of tautologies, but only God can make direct use of that fac..." — Herbert A. Simon

In the computer field, the moment of truth is a running program; all else is prophecy.

One of the first rules of science is if somebody delivers a secret weapon to you, you better use it.

The density of settlement of economists over the whole empire of economic science is very uneven, with a few areas of modest size holding the bulk of the population.

Viewed as a geometric figure, the ant's path is irregular, complex, and hard to describe.