We use our brains very little, and when we do, it is only to make excuses for our reflexes and our instincts — only to make our acts appear more studied. – Martin H. Fischer (1879–1962)
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

