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Mark Manson Used the 4-Hour Rule to Write a Bestseller. Science Says It’s the Secret to Doing Great Work

inc.com – Tuesday September 23, 2025

The author of The Subtle Art of Not Giving a F**k struggled for 15 months to write his best-seller before he stumbled on the 4-hour rule. It changed everything.

Back in the 2010s Mark Manson was a well-known blogger, leveraging social media algorithms to attract eyeballs to his Millennial-focused self-help content. His success earned him a book deal. But he was far from sure his online formula would translate into the world of publishing. 

Then his book The Subtle Art of Not Giving a F**k came out. It became an instant cultural phenomenon that spawned countless copycats, selling 20 million copies and counting. 

“There’s no way to expect that,” Manson told an interviewer. “It’s [a] complete life change.” 

So how did a guy known for slinging accessible but smart advice manage to write a book that you now see on basically everyone’s bookshelf? On LinkedIn recently, Manson revealed his struggle to write the book and the essential time management rule it taught him. 

It’s a rule that’s backed by a ton of science and that applies to basically anyone who hopes to do great work. 

To read the full article on inc.com, click here

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