I have always challenged myself and it's also important to learn from the rivals. Every rider has his own style, and you have to count on some elements that cannot be changed. On the contrary, the bike or the tires can change and it's important to adapt yourself. It's up to the rider to understand what he can change and how much he can adapt.
Valentino RossiYou need to realise that, if you want to go on, you have to work hard. If you dwell too much on your past successes and say "well, I have won nine world titles and more than 100 races", you'd rather stay home. The sport, your rivals, the tyres, your motorcycle, everything changes so instead you need to work more to be stronger. If you don't, you're finished.
Valentino Rossi