Think of the design process as involving first the generation of alternatives and then the testing of these alternatives against a whole array of requirements and restraints.

Human knowledge has been changing from the word go and people in certain respects behave more rationally than they did when they didn't have it. They spend less time doing rain dances and more time seeding clouds.

Enlightenments, like accidents, happen only to prepared minds.

Innovation has a lot to do with your ability to recognise surprising and unusual phenomena.

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

Most of what we do to get people ready to act in situations of encounter consists of drilling these lists into them sufficiently deeply so that they will be evoked quickly at the time of the decision.

Human beings know a lot of things, some of which are true, and apply them. When we like the results, we call it wisdom.