What does it mean that they drink the dregs of a bitter cup?

Thomas R. Valletta

“That is, they face the full effects of the justice of the Almighty God (Mosiah 3:26). A justice which could have been mitigated by their own repentance through the divine grace of the Holy One of Israel” (McConkie and Millet, Doctrinal Commentary, 3:303).

The Book of Mormon Study Guide: Start to Finish

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