“... For example, when commenting on the Gal. 3:10 citation of Deut 27:26a, Jerome accepted the SP variant over the proto-MT. The MT here reads: [...] Cursed is the one who does not uphold the words of this law to do them [...] In contrast, the SP reads: [...] Cursed is the one who does not uphold all the words of this law to do them [...] Here the SP is closer to the citation of this verse in Galatians: [...] Cursed is everyone who does not keep all which is written in the book of the law to do them. Jerome here accepts the Samaritan reading and criticises the Jews for deliberately removing ‘all’ in order to limit the scope of their obligation to the law (Waltke 1965, 5). ...”

“... For example, Morin believed that the MT intentionally left out a word in Deut 27:26. Jerome had already picked up a clue to the missing word from Paul who, citing the verse in Gal 3:10, adds the word pas: “Cursed be everyone who does not stand by all that is written in the book of law and do it.” Appropriately, in Morin’s thinking, the LXX likewise reads “all the words in the law” in the Deuteronomy passage. Whether or not the LXX preserves the original text, it seems likely to most scholars today that Paul quotes from the LXX in Gal 3. Some scholars suggest that the Samaritan textual tradition may have played an active role in the New Testament community, and that citations usually attributed to the LXX may well be Greek translations of the SP in the many instances at which the LXX and SP read the same. ...”