It's easier and more cost effective to maintain good health, than to regain it once it's lost.
The reason I exercise is for the quality of life I enjoy.
I have not missed a day from work because of illness since 1956.
After 26 years, I am still practicing what I preach.
Exercise is a journey, not a destination. It must be continued for the rest of your life. We do not stop exercising because we grow old - we grow old because we stop exercising.
[Walking's] overwhelming advantage is that it can be done by anyone, anytime, anywhere-and it doesn't even look like exercise.