For, whoever observes the entire law [of God] and yet breaks one requirement [of it], becomes guilty of [breaking] all of it.

Now if we put bits in the mouths of horses so that they will obey us, we can govern the direction of their entire bodies as well.

And the tongue is [like] a fire [i.e., like that spark]. [For] the tongue, as a part of the body, is [like] the world of evil. It corrupts the entire life [of a person] and inflames the course of nature itself [i.e., it affects a person throughout his whole earthly existence], and is ignited by hell itself [i.e., the evil produced by the fiery tongue has hell as its source and destiny].