The Jewish perspective may be found in the Jewish scriptures in the book of Yonah (which you know know as the book of Jonah - unfortunately the fascination with the "big fish" which is usually translated to "whale" as well as the Christian scripture linkage to the three days and the Christian...
The premise that Christianity is Judaism with Jesus , a belief held by many Christians, is false. In fact, in many ways Christianity is the antithesis of Judaism. However that is a discussion for another thread. It is disappointing that the persecutions by the Church of the Jewish people...
Since similar questions repeat themselves on differnt forums, my answer to these questions are naturally similar. However, the relevance of the answer does not change. If you have a comment relating to the content of the post, I would be happy to reply.
Judaism teaches that it is easier for the Gentile than for the Jew to get into the World to Come as they have only to follow the seven Noahide commandments. Judaism therefore is a true universal religion. You do not have to be born a Jew or accept Judaism for redemption. In the book of Yonah...