13.As it is within our power to understand the order of things, so are we capable of guiding ourselves in accordance therewith; the will, powerless over circumstance, is free to determine the habits of the soul.
因为我们有能力理解事物
秩序,所以我们也有能力按照它来指导自己;意志对环境无能为力,却可以自由决定灵魂
习惯。机翻