Three Sins That Cause Eternal Gehinnom

Rabbi Yaron Reuven discusses the levels of Gehinnom and the three sins in Judaism that cause eternal Gehinnom without TeShuva. The first six levels of Gehinnom end at some point, but the Seventh Level will never end even after MaShiach arrives. This is why it's very important to learn Torah every day and do TeShuva.

https://www.youtube.com/watch?v=29jGv_IYtEk