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by Xinyuan Zhang

You get one, precious life. How do you decide the best way to spend your time? Productivity gurus will often suggest that you focus on being effective rather than being efficient.

Efficiency is about getting more things done. Effectiveness is about getting the right things done. Peter Drucker, the well-known management consultant, once encapsulated the idea by writing, “There is nothing so useless as doing efficiently that which should not be done at all.”

In other words, making progress is not just about being productive. It’s about being productive on the right things.

But how do you decide what the “right things” are? One of the most trusted approaches is to use the Pareto Principle, which is more commonly known as the 80/20 Rule.