First of all, the reduction in bodily movement was essential.

首先，减少身体活动至关重要。

But when a man's bodily movements are what we call " voluntary, " they are, at any rate prima facie, very different in their laws from the movements of what is devoid of life.

但是，当一个人的身体运动是我们所说的“自愿”时，无论如何，从表面上看，它们在规律上与没有生命的运动是非常不同的。