Numbers 33:55

But if ye will not dispossess the inhabitants of the land from before you, those that ye let remain of them shall be thorns in your eyes, and pricks in your sides, and they shall harass you in the land wherein ye dwell.

Judges 2:3

So now I say, I will not drive them out before you; but they shall become adversaries to you, and their gods shall be a snare to you."

Exodus 23:33

They shall not dwell in thy land, lest they make thee sin against me; for if thou serve their gods, it is sure to be a snare unto thee.

Deuteronomy 7:4

for he will turn away thy son from following me, and they will serve other gods, and the anger of Jehovah will be kindled against you, and he will destroy thee quickly.

Deuteronomy 7:16

And thou shalt consume all the peoples that Jehovah thy God will give up unto thee; thine eye shall not spare them, and thou shalt not serve their gods; for that would be a snare unto thee.

Joshua 23:12-13

For if ye in any wise go back, and cleave unto the residue of these nations, these that remain among you, and make marriages with them, and come in unto them and they unto you:

Judges 1:21-36

But the people of Benjamin did not drive out the Jeb'usites who dwelt in Jerusalem; so the Jeb'usites have dwelt with the people of Benjamin in Jerusalem to this day.

Psalm 106:34-36

They did not destroy the peoples, as Jehovah commanded them;

Ezekiel 28:24

And there shall be no more a wounding sting for the house of Israel, nor any grieving thorn, among all that were round about them, that despised them: and they shall know that I am the Lord Jehovah.

Treasury of Scripture Knowledge

Summary

But if ye will not drive out the inhabitants of the land from before you; then it shall come to pass, that those which ye let remain of them shall be pricks in your eyes, and thorns in your sides, and shall vex you in the land wherein ye dwell.

General references

Bible References

Shall be pricks

Exodus 23:33
They shall not dwell in thy land, lest they make thee sin against me; for if thou serve their gods, it is sure to be a snare unto thee.
Deuteronomy 7:4
for he will turn away thy son from following me, and they will serve other gods, and the anger of Jehovah will be kindled against you, and he will destroy thee quickly.
Joshua 23:12
For if ye in any wise go back, and cleave unto the residue of these nations, these that remain among you, and make marriages with them, and come in unto them and they unto you:
Judges 1:21
But the people of Benjamin did not drive out the Jeb'usites who dwelt in Jerusalem; so the Jeb'usites have dwelt with the people of Benjamin in Jerusalem to this day.
Judges 2:3
So now I say, I will not drive them out before you; but they shall become adversaries to you, and their gods shall be a snare to you."
Psalm 106:34
They did not destroy the peoples, as Jehovah commanded them;
Ezekiel 28:24
And there shall be no more a wounding sting for the house of Israel, nor any grieving thorn, among all that were round about them, that despised them: and they shall know that I am the Lord Jehovah.

General references

Joshua 17:12
But the children of Manasseh could not dispossess the inhabitants of those cities; and the Canaanites would dwell in that land.