There is a most important difference between the work done in ordinary physical culture and the work done in this system. Those who jump about on a gymnasium floor or lift weights or engage in outdoor sports do so usually for the body's sake. But students who follow philosophic teachings practise their exercises for the Quest's sake. This fully respects the body and cares scrupulously for it.
-- Notebooks Category 5: The Body > Chapter 5: Exercise > # 63