The 4-Hour Workweek, Expanded and Updated: Expanded and Updated, With Over 100 New Pages of Cutting-Edge Content.

by Timothy Ferriss

There are two synergistic approaches for increasing productivity that are inversions of each other: 1. Limit tasks to the important to shorten work time (80/20). 2. Shorten work time to limit tasks to the important (Parkinson’s Law).