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Tony Robbins: The one thing all top investors do

The world's best investors have one thing in common—asymmetrical risk and reward, self-help author Tony Robbins says.

Robbins told CNBC's "Squawk Box" on Friday that he reached that conclusion during the four years he spent writing his first book in two decades, "MONEY Master the Game: 7 Simple Steps to Financial Freedom."

In researching the book, Robbins said, he spoke with 50 of the world's top asset managers, hoping to help average people create a blueprint for becoming financially independent. It also has roots in the best-selling author's 21-year relationship with Tudor Investment Corporation founder Paul Tudor Jones.

"Paul's approach is,'If I'm going to invest the dollar, is it really a 5-to-1? Am I going to make five? I'm certain I'm going to make five,'" Robbins said.

Robbins said he began working with Jones after the hedge fund manager experienced a slump in the late '80s. He said Jones had lost track of the strategy that made him successful, and Robbins' job was to help him bring it back and systematize it.

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More than two decades later, he said, he still corresponds with Jones daily to help him measure his performance and make sure his strategies are consistent, from the way he evaluates trades to what he does before executing them.

Consistent strategies are key to successful investing, Robbins said.

"It's about maximizing your capacity," Robbins said. "Everybody has certain strategies. It's really about making sure those strategies are consistent. What I try to do is make it simple enough that [Jones] follows through continuously, because what I've found is complexity is the enemy of execution."

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At the same time that top investors look for asymmetric risk-reward, they acknowledge that they will be wrong some times.

"As a trader, you get stuck," Robbins said. "You don't want to take the hit and you're going to have to be able to do that if you're going to be an effective trader."

Simon & Schuster will release Robins's book next week. To research and write it, the self-help author consulted leading investors, such as Warren Buffett, Ray Dalio and Tudor Jones to create a plan for making sound financial decisions.

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Robbins dedicated a chapter to exploring how Dalio designed his all-weather fund, a subject that the founder of Bridgewater Associates has never spoken about in detail.

Robbins said the inspiration for the book came from watching friends lose their homes and wealth during the financial crisis. His goal in writing it was to present principles from leading money managers in a simple way to give people the confidence to get back in the market.