Well, we're not sure if Lance Armstrong has quite learned his lesson.
In his first sit down interview since he talked with Oprah in 2013 about his doping scandal, Lance totally admitted that he'd probably cheat again if he were magically transported back to 1995, and given the chance to do it all over.
The cyclist had previously won seven Tour de France titles, only to have them all stripped from him after his doping offenses became public.
He is also banned from the world of professional cycling.
Here's what the once proud cyclist had to say on whether or not he'd cheat again to BBC Sport: