From Rabbi Shlomo Riskin writing for the Jerusalem Post:
And Maimonides rules that only the Jews must keep the 613 commandments for ultimate "salvation"; it is enough for the gentile world to accept the Seven Noahide Laws of morality (Laws of Kings [Hilchot Melachim] 8,10).
But we certainly must proselytize every human being to keep those seven laws - do not worship an idol, do not misuse God's Name, do not murder, do not commit licentious sexual acts, do not steal, respect all creatures, and create a judicial system to enforce the first six laws. (Rabbi Shlomo Riskin, "Parashat Yitro: Every Knee Shall Bend," Jerusalem Post, Jan 24, 2008)
Rabbi Riskin fails to mention how Maimonides provided for the distinctness of the two-tiered Judaic system of law to be enforced:
A gentile who studies Torah is liable to the death penalty. They should be involved in the study of their Seven Mitzvot ["Noahide Laws"] only. (Moses Maimonides, Hilchot Melachim 10:9, Moznaim Publishing edition)
And so you see, rabbinic Judaism compels Judaic people to seek proselytes not to their own religion, but to a lower-tier system which the rabbis fabricted for non-"Jews:" the so-called "Noahide Laws." It is worth mentioning, however, that cajoling proselytism to the "Noahide Laws" would turn to convert-or-die compulsion where Judaic rule is open and fully consolidated.
In 2004 JPII misrepresented his elder brother Maimonides and his murderous system of "proselytizing," praising Maimonides as a figure of benevolence, and rejoicing in his vision of the Judaic Messianic age, which Maimonides wrote would be a time when all Christians would either give up their fundamental beliefs and accept the talmudic "Noahide Laws" or be executed. More on that here:
More on the "Noahide Laws" here:
Also of interest, see this transcript of Rabbi Riskin interviewed on the Larry King Show defending the presidential pardon of his good friend and convicted fraudster Marc Rich from Bill Clinton: