Why do strong arms fatigue themselves with frivolous dumbbells? To dig a vineyard is worthier exercise for men. – Marcus Valerius Martialis

There is a necessity for a regulating discipline of exercise that, whilst evoking the human energies, will not suffer them to be wasted. – Thomas de Quincey

Let me tell you what I think of bicycling. I think it has done more to emancipate women than anything else in the world. It gives women a feeling of freedom and self-reliance. I stand and rejoice every time I see a woman ride by on a wheel…the picture of free, untrammeled womanhood. – Susan B. Anthony