The man who views the world at 50 the same as he did at 20 has wasted 30 years of his life.
Joe Frazier got hit more than me - and he doesn't have Parkinson's.
A rooster crows only when it sees the light. Put him in the dark and he'll never crow. I have seen the light and I'm crowing.
There are thousands of people around the world diagnosed with Parkinson's and other illnesses every day. I know that a lot of them look up to me for guidance; they count on me to be strong. Knowing this gives me some of the strength I need to keep going. It is one of the reasons I continue traveling and making appearances around the world.