The Power of Habit


Charles Duhigg

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Mark Muraven Character Analysis

Mark Muraven is a psychologist who has conducted influential experiments on willpower. His research concludes that willpower is neither a limited resource nor a consistent skill that people can always exercise. Instead, Muraven has shown that willpower is more like a muscle—it can wear itself out, but also get stronger over time.

Mark Muraven Quotes in The Power of Habit

The The Power of Habit quotes below are all either spoken by Mark Muraven or refer to Mark Muraven . For each quote, you can also see the other characters and themes related to it (each theme is indicated by its own dot and icon, like this one:
Habits, Human Behavior, and Success Theme Icon
). Note: all page numbers and citation info for the quotes below refer to the Random House edition of The Power of Habit published in 2014.
Chapter 5 Quotes

“Willpower isn’t just a skill. It’s a muscle, like the muscles in your arms or legs, and it gets tired as it works harder, so there’s less power left over for other things.”

Related Characters: Mark Muraven (speaker)
Page Number: 137
Explanation and Analysis:
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Mark Muraven Character Timeline in The Power of Habit

The timeline below shows where the character Mark Muraven appears in The Power of Habit. The colored dots and icons indicate which themes are associated with that appearance.
Chapter 5: Starbucks and the Habit of Success: When Willpower Becomes Automatic
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In the 1990s, the PhD student Mark Muraven tried to understand why people’s willpower fluctuates over time. He brought participants into a room... (full context)
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Habit Change and Personal Growth  Theme Icon
Muraven’s experiment showed that willpower is more like a muscle than a skill. But, Duhigg asks,... (full context)
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Social Habits and Cultural Influence Theme Icon
Meanwhile, in another experiment, Mark Muraven again gave participants chocolate chip cookies and asked them not to eat them. But he... (full context)