This means that Noahides may not observe the Sabbath, study Torah (except for the Seven Laws), etc. The B'nei Noah movement whose members hold that they can adhere completely to Judaism in order to learn from the Jews and together promote the World to Come (Olam Ha-Ba) but without becoming a part of the Jewish people (i.e. without performing a giyur). After B'nei Noah accept the obligatory seven commandments, they can, if they so desire, carry out the rest of the Jewish commandments, including studying the Torah, observing the Sabbath, celebrating Jewish holidays, etc.