Luke 9:54-55

And, seeing it, His disciples, James and John, said, "Lord, dost Thou wish that we bid fire come down from heaven, and consume them?"

John 16:2

They will put you out of the synagogues; yea, an hour is coming, that every one who kills you will think that he is offering service to God.

Romans 10:2

For I testify for them, that they have a zeal for God, but not according to knowledge;

Galatians 4:17

They are zealously seeking you, not nobly; they are wishing to shut you out, that ye may zealously seek them.

Treasury of Scripture Knowledge

Summary

And the king called the Gibeonites, and said unto them; (now the Gibeonites were not of the children of Israel, but of the remnant of the Amorites; and the children of Israel had sworn unto them: and Saul sought to slay them in his zeal to the children of Israel and Judah.)

Bible References

In his zeal

Luke 9:54
And, seeing it, His disciples, James and John, said, "Lord, dost Thou wish that we bid fire come down from heaven, and consume them?"
John 16:2
They will put you out of the synagogues; yea, an hour is coming, that every one who kills you will think that he is offering service to God.
Romans 10:2
For I testify for them, that they have a zeal for God, but not according to knowledge;
Galatians 4:17
They are zealously seeking you, not nobly; they are wishing to shut you out, that ye may zealously seek them.