Reference for Keritot 13:55

אלימא שבין שוגג לא שבין מזיד הא קתני

and so they contradict each other! - Replied Abaye: There is no difficulty; the former teaching is that of Rabbi on the view of R'Judah, the latter that of Rabbi himself; as it has been taught: Rabbi says, For all the sins of the Torah, whether one has repented or not, the Day of Atonement atones, except for throwing off the yoke,<span class="x" onmousemove="('comment',' I.e., unbelief in God.');">³⁵</span>

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