Deuteronomy 11:28

And a curse, if you will not obey the commandments of the LORD your God, but turn aside out of the way which I command you this day, to go after other gods, which you have not known.

Deuteronomy 28:15-68

But it shall come to pass, if you will not hearken unto the voice of the LORD your God, to observe to do all his commandments and his statutes which I command you this day; that all these curses shall come upon you, and overtake you:

Leviticus 26:14-32

But if you will not hearken unto me, and will not do all these commandments;

Deuteronomy 29:19-28

And it comes to pass, when he hears the words of this curse, that he blesses himself in his heart, saying, I shall have peace, though I walk in the imagination of my heart, to add drunkenness to thirst:

Isaiah 1:20

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

Isaiah 3:11

Woe unto the wicked! it shall be ill with him: for the reward of his hands shall be done to him.

Matthew 25:41

Then shall he say also unto them on the left hand, Depart from me, you cursed, into everlasting fire, prepared for the devil and his angels:

Romans 2:8-9

But unto them that are contentious, and do not obey the truth, but obey unrighteousness, indignation and wrath,

Galatians 3:10

For as many as are of the works of the law are under the curse: for it is written, Cursed is every one that continues not in all things which are written in the book of the law to do them.

Treasury of Scripture Knowledge

Summary

And a curse, if ye will not obey the commandments of the LORD 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.

Bible References

General references

Deuteronomy 28:15
But it shall come to pass, if you will not hearken unto the voice of the LORD your God, to observe to do all his commandments and his statutes which I command you this day; that all these curses shall come upon you, and overtake you:
Deuteronomy 29:19
And it comes to pass, when he hears the words of this curse, that he blesses himself in his heart, saying, I shall have peace, though I walk in the imagination of my heart, to add drunkenness to thirst:
Leviticus 26:14
But if you will not hearken unto me, and will not do all these commandments;
Isaiah 1:20
But if you refuse and rebel, you shall be devoured with the sword: for the mouth of the LORD has spoken it.
Isaiah 3:11
Woe unto the wicked! it shall be ill with him: for the reward of his hands shall be done to him.
Matthew 25:41
Then shall he say also unto them on the left hand, Depart from me, you cursed, into everlasting fire, prepared for the devil and his angels:
Romans 2:8
But unto them that are contentious, and do not obey the truth, but obey unrighteousness, indignation and wrath,
Galatians 3:10
For as many as are of the works of the law are under the curse: for it is written, Cursed is every one that continues not in all things which are written in the book of the law to do them.