en_tn/heb/03/18.md

To whom did he swear that they would not enter his rest, if it was not to those who disobeyed him?

The author uses this question to teach his readers. AT: "And it was to those who disobeyed that he swore they would not enter his rest." (See: rc://en/ta/man/translate/figs-rquestion)

they would not enter his rest

The peace and security provided by God are spoken of as if they were rest that he can give, and as if they were a place to which people could go. AT: "they would not enter the place of rest" or "they would not experience his blessings of rest" (See: rc://en/ta/man/translate/figs-metaphor)