Eighty percent of the output comes from twenty percent of the input. That is basically a summary of the Pareto Principle, or as it is more commonly known, the 80/20 Rule. The rule comes from Vilfredo Pareto, an Italian economist who noticed that 80% of Italy’s wealth was in the hands of 20%…

It’s impossible, right? In order to get more done, you need to invest more time. Working ten hour days will make you more accomplished than a colleague that only works seven. Studying three hours a day will get you better grades than the guy who skims through a few chapters before the…