It would be like recertifying in CPR – except you wouldn’t have to pay $30… nor pretend to do chest compressions. : ) There are zillions of versions on YouTube. Here’s one that we made for the More Disciples website — https://youtu.be/czFAdNWh6yg — But just find a version that you like, memorize it, then say it to at least one person per week (preferably not a believer). We dare you. : )