Exercise is bunk. If you are healthy, you don't need it: if you are sick you should not take it.

I have always believed exercise is a key not only to physical health but to peace of mind.

Exercise dissipates tension, and tension is the enemy of serenity. I found that I worked better and thought more clearly when I was in good physical condition, and so training became one of the inflexible disciplines of my life.

Water, air, and cleanness are the chief articles in my pharmacy.

Exercise till the mind feels delight in reposing from the fatigue.

We can do nothing without the body, let us always take care that it is in the best condition to sustain us.