The Death and Life of Great American Cities A Book by Jane Jacobs www.amazon.com Dead citiesThe dishonest mask of pretended orderThe plan must anticipate all that is neededThe city's most vital organsEyes on the street+48 More 125 Best Architecture Books urbanismcities
The Pareto principle The Pareto principle (also known as the 80/20 rule, the law of the vital few, or the principle of factor sparsity) states that, for many events, roughly 80% of the effects come from 20% of the causes. Wikipedia en.wikipedia.org 80/20 is the new Half-Ass