Isaiah 1:20

but if ye refuse and rebel, ye shall be devoured with the sword: for the mouth of Jehovah hath spoken.

Isaiah 40:5

And the glory of Jehovah shall be revealed, and all flesh shall see it together: for the mouth of Jehovah hath spoken.

Isaiah 58:14

then shalt thou delight thyself in Jehovah, and I will cause thee to ride on the high places of the earth, and feed thee with the heritage of Jacob thy father: for the mouth of Jehovah hath spoken.

Numbers 23:19

God is not a man, that he should lie; neither a son of man, that he should repent. Shall he say and not do? and shall he speak and not make it good?

Micah 4:4

And they shall sit every one under his vine, and under his fig-tree; and there shall be none to make them afraid: for the mouth of Jehovah of hosts hath spoken it.

Titus 1:2

in the hope of eternal life, which God, who cannot lie, promised before the ages of time,

Leviticus 26:33

And I will scatter you among the nations, and will draw out the sword after you; and your land shall be desolation, and your cities waste.

1 Samuel 12:25

But if ye do wickedly, ye shall perish, both ye and your king.

1 Samuel 15:29

And also the Hope of Israel will not lie nor repent; for he is not a man, that he should repent.

2 Chronicles 36:14-16

All the chiefs of the priests also, and the people, increased their transgressions, according to all the abominations of the nations; and they defiled the house of Jehovah which he had hallowed in Jerusalem.

Isaiah 3:11

Woe unto the wicked! it shall be ill with him, because the desert of his hands shall be rendered unto him.

Isaiah 3:25

Thy men shall fall by the sword, and thy mighty in the fight;

Isaiah 65:12

I will even assign you to the sword, and ye shall all bow down in the slaughter; because I called, and ye did not answer, I spoke, and ye did not hear; but ye did what was evil in mine eyes, and chose that wherein I delight not.

Hebrews 2:1-3

For this reason we should give heed more abundantly to the things we have heard, lest in any way we should slip away.

Treasury of Scripture Knowledge

Summary

But if ye refuse and rebel, ye shall be devoured with the sword: for the mouth of the LORD hath spoken it.

Bible References

If ye refuse

Isaiah 3:11
Woe unto the wicked! it shall be ill with him, because the desert of his hands shall be rendered unto him.
1 Samuel 12:25
But if ye do wickedly, ye shall perish, both ye and your king.
2 Chronicles 36:14
All the chiefs of the priests also, and the people, increased their transgressions, according to all the abominations of the nations; and they defiled the house of Jehovah which he had hallowed in Jerusalem.
Hebrews 2:1
For this reason we should give heed more abundantly to the things we have heard, lest in any way we should slip away.

For the mouth

Isaiah 40:5
And the glory of Jehovah shall be revealed, and all flesh shall see it together: for the mouth of Jehovah hath spoken.
Isaiah 58:14
then shalt thou delight thyself in Jehovah, and I will cause thee to ride on the high places of the earth, and feed thee with the heritage of Jacob thy father: for the mouth of Jehovah hath spoken.
Leviticus 26:33
And I will scatter you among the nations, and will draw out the sword after you; and your land shall be desolation, and your cities waste.
Numbers 23:19
God is not a man, that he should lie; neither a son of man, that he should repent. Shall he say and not do? and shall he speak and not make it good?
1 Samuel 15:29
And also the Hope of Israel will not lie nor repent; for he is not a man, that he should repent.
Titus 1:2
in the hope of eternal life, which God, who cannot lie, promised before the ages of time,

General references

Exodus 9:2
For if thou refuse to let them go, and shalt retain them still,
Leviticus 26:23
And if ye will not be disciplined by me through these, but walk contrary unto me,
Deuteronomy 11:28
and a curse, if ye will not obey the commandments of Jehovah your God, but turn aside out of the way which I command you this day, to go after other gods which ye have not known.
Deuteronomy 15:5
if thou only diligently hearken unto the voice of Jehovah thy God, to take heed to do all this commandment which I command thee this day.
Ezekiel 39:24
According to their uncleanness and according to their transgressions I did unto them, and I hid my face from them.