R-Truth reveals the best piece of advice he once received from WWE legend John Cena. WWE Superstar R-Truth was a recent guest on the Nikki & Brie Show. In the end, when Brie Bella asked him if there was a motto or quote he lives by, Truth opened up about a valuable piece of advice John Cena shared with him. R-Truth recounted the moment when John Cena told him to focus on one thing at a time instead of trying too hard. He noted that the advice resonated with him and helped put things into perspective.