In vain we shall penetrate more and more deeply the secrets of the structure of the human body, we shall not dupe nature; we shall die as usual. – Bernard Le Bovier de Fontanelle
Destroy the roots of the healthiest plants, their heads will droop and die. Many excellent qualities of the mind have their roots, in fact, in the body: their summits, which adorn the spiritual being, the mind, will wither, if we neglect the soil of these valuable plants… – C.G. Salzmann, Gymnastics for Youth: or, A Practical Guide to Healthful and Amus