12 Productivity Keys from the 4 Hour Work Week: by Tim Ferriss

Ask "if this is the only thing I accomplish today, will I be satisfied?"

Focus on 20% of the work that brings 80% of the results

Clearly define time for work and relaxation

Develop the most important habit: action

Focus on being productive instead of busy

Delegate and automate unimportant tasks

Do you most important tasks before 11am

Improve income per hour not total income

Age doesn't matter, an open mind does

Quit things that aren't working

Learn how to control your time

Leverage your strengths