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For, behold, the day cometh, that shall burn as an oven; and all the proud, yea, and all that do wickedly, shall be stubble: and the day that ^acometh shall ¹burn them up, saith the LORD of hosts, that it shall leave them neither root nor branch.
¹ Isa 66:24, Mal 3:3, Matt 3:12, Matt 13:30, Matt 13:42, Mark 9:43, Mark 9:48

But unto you that fear my name shall the Sun of righteousness arise with healing in his wings; and ye shall go forth, and grow up as calves of the stall.

And ye shall tread down the wicked; for they shall be ashes under the soles of your feet in the day that I shall do this, saith the LORD of hosts.

Remember ye the law of Moses my servant, which I commanded unto him in Horeb for all Israel, with the statutes and judgments.

Behold, I will ¹send you Elijah the prophet ²before the coming of the great and dreadful day of the LORD:
¹ Matt 3:1, Mark 1:4, Luke 3:2, John 1:28
² Matt 17:10, Mark 9:11

And ¹he shall ²turn the heart of the fathers to the children, and the heart of the children to their fathers, lest I come and smite the earth with a curse.
¹ Luke 1:17
² Matt 17:11, Mark 9:12, Luke 1:16