Be a Work in Progress and Do Your Best Every Day to Do Your Best Every Day are both available for purchase, with the focus of the books based around Cena’s motivational tweets. Be a Work In Progress A beautifully illustrated book of inspiration from the beloved entertainer and #1 New York Times bestselling author John Cena “Be brave enough to embrace humility. The reward will be confidence.” For years, John Cena has been using his popular Twitter feed to uplift his followers with his unique brand of positivity. Now, he collects his favorite words of wisdom on the benefits of being bold and open-minded, embracing discomfort, and making the most of every opportunity.