Acts 13:40
Beware therefore, lest that come on you which is spoken in the prophets:
Habakkuk 1:5
"Look among the nations, watch, and wonder marvelously; for I am working a work in your days, which you will not believe though it is told you.
Malachi 3:2
"But who can endure the day of his coming? And who will stand when he appears? For he is like a refiner's fire, and like launderer's soap;
Malachi 4:1
"For, behold, the day comes, it burns as a furnace; and all the proud, and all who work wickedness, will be stubble; and the day that comes will burn them up," says Yahweh of Armies, "that it shall leave them neither root nor branch.
Isaiah 29:14
therefore, behold, I will proceed to do a marvelous work among this people, even a marvelous work and a wonder; and the wisdom of their wise men will perish, and the understanding of their prudent men will be hidden."
Matthew 3:9-12
Don't think to yourselves, 'We have Abraham for our father,' for I tell you that God is able to raise up children to Abraham from these stones.
Hebrews 2:3
how will we escape if we neglect so great a salvation -- which at the first having been spoken through the Lord, was confirmed to us by those who heard;
Hebrews 3:12
Beware, brothers, lest perhaps there be in any one of you an evil heart of unbelief, in falling away from the living God;
Hebrews 12:25
See that you don't refuse him who speaks. For if they didn't escape when they refused him who warned on the Earth, how much more will we not escape who turn away from him who warns from heaven,