In honor of Worldwide Invest Better Day, we at The Motley Fool are recapping our "13 Steps to Investing Foolishly" -- steps you can follow to become a better, more Foolish investor.

In the following video, we provide you with the six keys to achieving Step No. 11: retire in style. How do you do it? You take control of your retirement. Robert Brokamp, senior advisor to The Motley Fool's Rule Your Retirement newsletter service, goes over everything from how to know whether you're saving enough in your 20s to how to start withdrawing from your fund once you do retire.

It's an adherence to principles like these that has allowed Warren Buffett to grow Berkshire Hathaway into one of the most powerful organizations in the world. You can become your own oracle and grow your own Berkshire today by watching the video.

Click the big green button to join the thousands of people celebrating Worldwide Invest Better Day on Sept. 25!