Pretty standard events in the evolution of a religion.
It took over one thousand years for Judaism to evolve into what we recognize as Rabbinic Judaism. It took Buddhism centuries to evolve into one school of thought that the Buddha was a transcendental being, and another school that believed he was a historical human teacher.
Yet Torah was always there , unchanged generation to generation.
Rabbinic Judaism came about after the destruction of the Temple and out exile , they added nothing to Torah, but discussed Jewish law in the Talmud, was it known as the oral law 200 CE to 500 CE.
The Torah is the sacred, divinely revealed "Written Torah" consisting of the first five books of the Hebrew Bible, while the Talmud is the "Oral Torah," a vast compilation of rabbinic commentaries, laws, debates, and stories that expound on and explain the Written Torah. The Torah provides the foundational laws and teachings of Judaism, and the Talmud serves as the essential guide for interpreting and applying these laws in daily life.
The two Talmud compilations, the Yerushalmi (
Jerusalem Talmud) and the
Babylonian Talmud, were written between the 3rd and 5th centuries CE. The
Mishnah, the first part of the Talmud, was finalized around 200 CE, while the Gemara (commentary and discussions on the Mishnah) was finalized later. The Jerusalem Talmud was completed around 400 CE, and the Babylonian Talmud, which is more widely studied, was finalized around 500 CE.
A Sefer Torah is the most holy object in Judaism, a handwritten scroll containing the Five Books of Moses (Genesis, Exodus, Leviticus, Numbers, and Deuteronomy) written by a trained scribe in Hebrew on parchment. It is the center of Jewish religious life, kept in a synagogue's ark and read publicly during prayer services every week, especially on Shabbat. The meticulous process of writing a Sefer Torah, the rituals surrounding it, and the celebrations of its completion and arrival in a new community all underscore its deep spiritual significance.