Reformed Judaism believes that the Bible is the main source for the rules of Judaism.
The Torah.
The mitzvot (Torah-commands).
See the attached Related Link.
Judaism was not "assembled". It came about through the rules established in the Torah, supported by the Prophets, and organized and expanded by the Rabbis.
Judaism has only One God (Deuteronomy 6:4).
Judaism. Studying the Torah is a command in Judaism (Deuteronomy ch.6).
Judaism believes in One God (Deuteronomy 6:4).
Basic rules for life and the history of Judaism.
Judaism has One God (Deuteronomy 6:4), who created the universe (Genesis 1:1).
The most important part of Judaism, and what defines it, is the belief in One God (Deuteronomy ch.6). That is monotheism.
Judaism has One God (Deuteronomy 6:4), who created the universe (Genesis 1:1).