Atomic habits by James Clear is one of the most popular books on creation of habits. Having read it myself, and seen several others use the principles described in this book to shape a productive life sculpted by small habits, I can say that this book can be truly life changing.
Here is the official Atomic Habits cheatsheet by James Clear, although I strongly urge you to go out, buy the book, and read it cover to cover. It's easy to read, highly actionable, and will motivate you to change your life.
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