* **those of the circumcision** - "those who have been circumcised" or "those who practice circumcision." This refers to the Jews, who were circumcised.
* **Their words are worthless ** - "Their words do not benefit anyone"
* **It is necessary to stop them ** - "They must be prevented from spreading their teachings" or "They must be stopped from influencing others by their words"
* **what they should not teach** - "things that are not proper to teach"
* **for shameful profit** - "so that people will give them money. This is very shameful!" (UDB). This refers to profit that people make by doing things that are not honorable.