For more than a decade there’s been a little yellow book on my desk. It’s a book I regularly reread to freshen up on what I think is one of the best business philosophies I’ve ever read.

It’s called “The Power of Nice” by Linda Kaplan Thaler and Robin Koval and, as its title suggests, is about how to conquer business with kindness. It’s a short book, full of fun anecdotes about how being nice, or kind, has had an incredible impact on someone’s life and career.

The authors are two entertaining, engaging advertising professionals responsible for the AFLAC duck and the Toys R Us jingle among many other successful campaigns. (You’re singing “I don’t wanna grow up…” in your head right now, aren’t you?)

In the book, they detail six principles of being nice that can change how you do business in a positive way.