There are geologists who can pick up a rock and say, 'Yes, there's oil under there.' A geologist who has been studying those kinds of rocks for 10 or 20 years is able to make that pronouncement.

I mean, making simulations of what you're going to build is tremendously useful if you can get feedback from them that will tell you where you've gone wrong and what you can do about it.

We must face the fact that we are on the brink of times when man may be able to magnify his intellectual and inventive capability, just as in the nineteenth century he used machines to magnify his physical capacity. Again, as then, our innocence is lost. And again, of course, the innocence, once lost, cannot be regained. The loss demands attention, not denial.

Yet still, there are those special secret moments in our lives, when we smile unexpectedly-when all our forces are resolved. A woman can often see these moments in us, better than a man, better than we ourselves, even. When we know these moments, when we smile, when we are not on guard at all-these are the moments when our most important forces show themselves; whatever it is you are doing at such a moment, hold on to it, repeat it-for that certain smile is the best knowledge that we ever have of what our hidden forces are, and where they lie, and how they can be loosed.

In an organic environment, every place is unique, and the different places also cooperate, with no parts left over, to create a global whole - a whole which can be identified by everyone who is part of it.

To work our way towards a shared language once again, we must first learn how to discover patterns which are deep, and capable of generating life.

Drawings help people to work out intricate relationships between parts.