Managing Oneself A Book by Peter F. Drucker Only from strengthFeedback analysisTaking pride in ignoranceBut bulldozers move mountainsWaste as little effort as possible on low competence+8 More Never change the technologyWhat to learn managementdisciplinewisdomwork
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