To read a book, to think it over, and to write out notes is a useful exercise; a book which will not repay some hard thought is not worth publishing.

To feel much for others and little for ourselves; to restrain our selfishness and exercise our benevolent affections, constitute the perfection of human nature.

There are six components of wellness: proper weight and diet, proper exercise, breaking the smoking habit, control of alcohol, stress management and periodic exams.

Old minds are like old horses; you must exercise them if you wish to keep them in working order.

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