Scholars have debated Calvin's views of Jews and Judaism. Some have argued that Calvin was the least anti-Semitic among all the major reformers of his time, especially in comparison to Martin Luther. Others have argued that Calvin was firmly anti-Semitic. Calvin did not differentiate between the Old Covenant and the New Covenant, but he claimed that Jews are a rejected people who must embrace Jesus to re-enter the covenant. Most of Calvin's statements on the Jews of his era were polemical.