Over the years, I've covered 22,000 miles.

You have to run 75 to 100 miles a week if you expect to break the four-minute mile.

Far too many times over the next 12 to 15 years, it was brought to my attention that people who followed my exercise guidelines exactly but ignored their diet, their weight and their cigarette smoking had heart attacks at age 55.

Now I say that if you run more than 15 miles a week, it's for something other than aerobic fitness. Once you pass 15 miles, you do not see much further improvement.

After 26 years, I am still practicing what I preach.

I have not missed a day from work because of illness since 1956.