SJMcCormick
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The Science of Self-Discipline

The Science of Self-Discipline

How to use psychology to build lasting habits

By Peter Hollins · 2017 · 1 min read

DisciplinePsychologySelf Improvement

Why It Matters

Hollins takes a scientific look at what separates people who follow through from those who don’t.
Self-discipline isn’t a personality trait — it’s a skill built from understanding motivation, resistance, and reward.
This book turns willpower from an abstract virtue into something you can train and automate.


Core Ideas

  • Discipline grows from systems, not mood or motivation.
  • Identity and environment shape consistency more than intention.
  • Small wins compound into self-trust — the foundation of long-term change.

Practical Lens

Hollins bridges neuroscience and everyday life.
He shows how to create friction for bad habits, remove it for good ones, and anchor routines to triggers that already exist in your day.
Discipline stops being a struggle when it becomes identity-driven — when doing the right thing feels like being yourself.

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