The Old Testament has the absolute same authority as the New Testament. It has the same authority as Christ own quoted words, because in essence they are Christs words.
You wrote:
“The Old Testament has the absolute same authority as the New Testament. It has the same authority as Christ own quoted words, because in essence they are Christs words.”
Uh, are you sure that they both have the ABSOLUTE SAME authority NOW?
In other words, would you support the execution of adulterers? (Lev. 20:10)
How about stoning rape victims - if the rape happens inside the city limits? Deuteronomy 22:23-24