All your trouble comes from lack of exercise. A man of your strength and constitution ought always to have kept physically active. So don't jibe at the very wise advice that sentences you to one hour's walk a day. You imagine the work of the mind takes place only in the brain; but you're much mistaken. It takes place in the legs as well.
George SandThere is only one sex. A man and a woman are so entirely the same thing that one can scarcely understand the subtle reasons for sex distinctions with which our minds are filled.
George Sand