📅 WEEK 21
📌 Rule No. 9 —Focus beats multitasking.
— The Most Expensive Myth in Business
The ability to multitask is not a competitive advantage. It is a polite fiction.
Neuroscience settled this question a long time ago. The human brain does not actually perform two cognitive tasks simultaneously. It switches rapidly between them, and each switch carries a cost: context lost, attention degraded, quality reduced.
What’s true for individuals is amplified in organizations. Companies that pursue twelve priorities simultaneously often find, at year’s end, that they’ve made incremental progress on all twelve and decisive progress on none.
Keller and Papasan built their framework on a single question: What is the one thing I can do such that by doing it, everything else becomes easier or unnecessary? It sounds simple. Organizations that answer it seriously discover that simplicity is the hardest discipline they’ve ever attempted.
The businesses I’ve watched struggle most often have the same root issue: they are trying to be too many things at once, often for reasons of fear — fear of missing an opportunity, fear of narrowing too much, fear of being wrong about the focus they chose.
Focus beats multitasking is one of our core principles at The Executives’ Institute because it runs directly against the cultural current of most businesses. And yet it is among the most empirically supported ideas in organizational performance.
Concentrate. Then concentrate more.

coming Monday, May 25, 2026
WEEK 21: Ask Yourself — Am I spending my time on the task that truly matters, or am I confusing activity with progress?
Rule No. 9 SUMMARY
Multitasking is a myth. Every time you split your attention, you dilute your effectiveness. This rule reminds us that meaningful progress doesn’t come from doing more things—it comes from doing the right thing with undivided attention.
Why: Because, spreading thin kills momentum.
WEEK 21 Ask Yourself —
Am I spending my time on the task that truly matters, or am I confusing activity with progress?
WEEK 21 Action Step —
Identify your “One Thing” for the week.
At the start of the week, list all key tasks and choose the single most important action that will drive the biggest results.
Block uninterrupted time on your calendar to work exclusively on that task—no emails, calls, or side projects allowed during this window.
Track progress daily, and review at week’s end: did focusing on one thing move the needle?

Rule: Focus beats multitasking.
Source: The One Thing by Gary Keller & Jay Papasan
“Multitasking is merely the opportunity to screw up more than one thing at a time.” — The One Thing
The next rule sharpens the last one.