Joshua 9:20

This we will do to them; we will even let them live, lest wrath come upon us, because of the oath which we swore to them.

2 Samuel 21:1-6

Then there was a famine in the days of David three years, year after year; and David inquired of the LORD. And the LORD answered, It is for Saul, and for his bloody house, because he slew the Gibeonites.

2 Chronicles 36:13

And he also rebelled against king Nebuchadnezzar, who had made him swear by God: but he stiffened his neck, and hardened his heart against turning unto the LORD God of Israel.

Proverbs 20:25

It is a snare to the man to declare something is holy, and afterward to reconsider his vows.

Ezekiel 17:12-21

Say now to the rebellious house, Know you not what these things mean? tell them, Behold, the king of Babylon has come to Jerusalem, and has taken its king, and its princes, and led them with him to Babylon;

Zechariah 5:3-4

Then said he unto me, This is the curse that goes forth over the face of the whole earth: for every one that steals shall be cut off according to the writing on this side; and every one that swears falsely shall be cut off according to the writing on that side.

Malachi 3:5

And I will come near to you for judgment; and I will be a swift witness against the sorcerers, and against the adulterers, and against false swearers, and against those that oppress the hireling in his wages, the widow, and the fatherless, and that turn aside the sojourner from his right, and fear not me, says the LORD of hosts.

Romans 1:31

Without understanding, covenant breakers, without natural affection, implacable, unmerciful:

1 Timothy 1:10

For fornicators, for homosexuals, for slave traders, for liars, for perjurers, and if there be any other thing that is contrary to sound doctrine;

Treasury of Scripture Knowledge

Summary

This we will do to them; we will even let them live, lest wrath be upon us, because of the oath which we sware unto them.

Bible References

Lest wrath

2 Samuel 21:1
Then there was a famine in the days of David three years, year after year; and David inquired of the LORD. And the LORD answered, It is for Saul, and for his bloody house, because he slew the Gibeonites.
2 Chronicles 36:13
And he also rebelled against king Nebuchadnezzar, who had made him swear by God: but he stiffened his neck, and hardened his heart against turning unto the LORD God of Israel.
Proverbs 20:25
It is a snare to the man to declare something is holy, and afterward to reconsider his vows.
Ezekiel 17:12
Say now to the rebellious house, Know you not what these things mean? tell them, Behold, the king of Babylon has come to Jerusalem, and has taken its king, and its princes, and led them with him to Babylon;
Zechariah 5:3
Then said he unto me, This is the curse that goes forth over the face of the whole earth: for every one that steals shall be cut off according to the writing on this side; and every one that swears falsely shall be cut off according to the writing on that side.
Malachi 3:5
And I will come near to you for judgment; and I will be a swift witness against the sorcerers, and against the adulterers, and against false swearers, and against those that oppress the hireling in his wages, the widow, and the fatherless, and that turn aside the sojourner from his right, and fear not me, says the LORD of hosts.
Romans 1:31
Without understanding, covenant breakers, without natural affection, implacable, unmerciful:
1 Timothy 1:10
For fornicators, for homosexuals, for slave traders, for liars, for perjurers, and if there be any other thing that is contrary to sound doctrine;