The passion for exploration and discovery, the hunger to learn all things about all aspects of the physical world, the great and preposterous optimism that held that such truths were in fact discoverable, its dazzling sophistication and its occasional startling innocence; an age in which geographical and scientific discoveries surpassed anything previously dreamt of, and yet an age in which it was still, just barely, possible to believe in mermaids and unicorns - these remarkable traits so characterized the British 18th century

Each pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it in the same way twice.

The passion for exploration and discovery, the hunger to learn all things about all aspects of the physical world, the great and preposterous optimism that held that such truths were in fact discoverable, its dazzling sophistication and its occasional startling innocence; an age in which geographical and scientific discoveries surpassed anything previously dreamt of, and yet an age in which it was still, just barely, possible to believe in mermaids and unicorns - these remarkable traits so characterized the British 18th century