Atomic Habits by James Clear is a comprehensive guide to understanding and implementing habit formation.

Atomic Habits
by James Clear
★★★★★
A practical guide to creating good habits and breaking bad ones. An essential book about behavior change.
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Key Quotes by Category
Habit Formation
“You do not rise to the level of your goals. You fall to the level of your systems.”
On the importance of systems over goals
“Make it obvious, make it attractive, make it easy, make it satisfying.”
The four laws of behavior change
“The purpose of setting goals is to win the game. The purpose of building systems is to continue playing the game.”
On systems and goals
“A habit must be established before it can be improved.”
On the process of habit formation
“You get what you repeat.”
On consistency
Identity
“Every action you take is a vote for the type of person you wish to become.”
On identity-based habits
“The most effective way to change your habits is to focus not on what you want to achieve, but on who you wish to become.”
On identity change
“The more pride you have in a particular aspect of your identity, the more motivated you will be to maintain the habits associated with it.”
On pride and identity
Growth
“Small changes often appear to make no difference until you cross a critical threshold.”
On the compound effect of habits
“Habits are the compound interest of self-improvement.”
On the power of habits