At the end of his life, the Talmud tells us, Rabbi Johanan ben Zakkai was crying and weeping. His Talmidim came to him and said "Oh, mighty hammer", they
called him Patisha Gadol, "Oh mighty hammer, great hammer, why are you weeping?" "Why are you crying, why is your soul in distress, oh mighty hammer, Ben
Zakkai?" And Rabbi Ben Zakkai said "I'm about to meet Ha Shem, Blessed be his name, and before me there are two roads, one leading to Paradise and one
leading to Gehenna; and I do not know to what road Ha Shem will sentence me". The founder of today’s Rabbinic Judaism, admitted he had absolutely no assurance of salvation. He said for what he did, he didn't know if Ha Shem was going to send him to hell for doing it. He was terrified to die.
But then there's Rabbi Sha'ul of Tarsus, and at the end of his life it is recordered that he said “trouble me no further, for on my body I bare the marks of Messiah.
And I know there is made up for me a crown of glory and of righteousness”. He had an assurance of salvation and he knew exactly where he was going, and
Praise Ha Shem, so does every Jew who follows him —