Tikkun olam - to repair the world. And the idea of mitzvot - good deeds - it is not enough to speak of goodness, we must act to accomplish good. And one of the best ways to do that is through the study of Torah - one who studies Torah and brings that back into the world is living it!!
See also the other Related Links.
Link: The Talmud
Link: The Torah
All the hundreds of mitzvoth (commands), principles and beliefs of the Torah.See the highlighted Related Links below, for full detail on these.(Though it's not part of the question, I've added a link on History as well.)The basic beliefs of JudaismThe practices of JudaismThe principles of JudaismThe ethics of JudaismA timeline of Judaism
See the attached Related Links.
Nudism is in opposition to the principles of Judaism.
The following answer is for Judaism. The major tenets of Judaism are: All the hundreds of mitzvoth (commands), principles and beliefs of the Torah.The philosophy of Judaism is that this world is a purposeful creation by God, in which all people are tested concerning their use of free-will. We possess a soul which lives on after the body dies and is held responsible for the person's actions. Anyone who is worthy, Jewish or not, can merit reward in the afterlife.See the highlighted Related Links below, for fuller detail.The basic beliefs of JudaismThe practices of JudaismThe principles of JudaismThe ethics of JudaismHow Judaism began
Two major religions. Judaism and Christianity. (Although some Christians do not)
Judaism is a monotheistic religion.
Some major Jewish holidays include:Yom KippurSukkotSimchat TorahChanukkahTu B'ShevatPurimPesach (Passover)Shavu'ot
Judaism is one religion, not two. Some Jews are more observant and some are less observant, but it's one religion with One God and one Torah.
people
No, it is not.
Moses.
Moses.