Jay Leno is apparently a firm believer in the aphorism ... and two cracked kneecaps when he ran into a wire while riding a 1940 Indian motorcycle, flinging him from the vehicle.

Life is looking up for Jay Leno. Two years after surviving a frightening ... "I’m riding my motorcycle and a guy had a wire across the road, and boom, it tore my face," he remembered.

California State Sen. Shannon Grove and former “The Tonight Show” host and classic car enthusiast Jay Leno joined forces Wednesday in an effort to keep more classic cars on the road.