The moment you think you're done improving is the moment you... - Usain Bolt

"The moment you think you're done improving is the moment you start declining."

Usain Bolt Change

Professional Sprinter Jamaican Born 1986 (age 40)

More from Usain Bolt

"To be a champion, you have to believe in yourself when no one else does."

"Don't think about losing. Just think about winning."

"I'm a living legend."

"Volleyball is my life."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."