Matthew 14:7-9

so that he promised with an oath to give her whatever she might ask.

Acts 23:14

They went to the chief priests and the elders and said, "We have bound ourselves under a solemn oath to taste nothing until we have killed Paul.

Treasury of Scripture Knowledge

Summary

And it came to pass, when he saw her, that he rent his clothes, and said, Alas, my daughter! thou hast brought me very low, and thou art one of them that trouble me: for I have opened my mouth unto the LORD, and I cannot go back.

Bible References

I cannot

Matthew 14:7
so that he promised with an oath to give her whatever she might ask.
Acts 23:14
They went to the chief priests and the elders and said, "We have bound ourselves under a solemn oath to taste nothing until we have killed Paul.