The 80/20 Rule
Pareto’s rule states that only 20 percent of your work accounts for 80 percent of your output. Be ruthless in cutting down the amount of time you spend on the less important 80 percent
Parkinson’s Law
Parkinson’s Law states that “work will fill the time available for its completion.” Give yourself strict deadlines and cultivate a desire to finish projects.
Energy Management
Think of results as a function of energy, not time invested. Working intensely for a short period of time can accomplish more than working for days, tired and distracted.
Only Use Sharp Tools
Skill saves time. Don’t waste your time doing things that you can’t, or won’t, do well. Delegate them to someone else.
Rule With Numbers
Assumptions are the biggest waste of your time. When your intuitions don’t match the way the world works, you can never be efficient. Combat false assumptions by testing them, and paying attention to the numbers.
The Marginal Rule of Quality
Whenever the extra input you invest in perfecting something exceeds the output gained, stop working on that task.
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