Seek to be strong not only physically but also morally. - Georges Hébert

There is, therefore, a general type of rational method or system of human development, based on progressive training work and the consistent practice of the natural and practical exercises. We can call it the natural method.

Any physical education method should include two components: a learning part aimed at educating the body, improving endurance, strength and flexibility, teaching the basic techniques for elementary and practical exercises like walking, running, jumping, lifting, climbing, throwing, swimming and defending; and an application part aimed at developing to the highest degree the practical abilities, putting them to use, and providing the means to cope with many real life situations.

Resistance to cold is as part of physical education as the gymnastic exercises. It is why the bare torso must be the rule all the time when the atmospheric conditions are not too unfavorable.