en_tn/heb/07/20.md

this better confidence did not happen without the taking of an oath

"someone had to take an oath so that we could have something better to have confidence in" or "...so that Christ could be appointed a priest" (See: UDB and rc://en/ta/man/translate/figs-doublenegatives)

You are a priest forever

"You are and always will be a priest" (see UDB).