Luke 9:54-55

And his disciples James and John seeing it, said, Lord, do you wish us to call fire to come down from heaven and consume them?

John 16:2

They shall put you out of the synagogues; but the hour is coming when every one that kills you will think he renders God a service.

Romans 10:2

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

Galatians 4:17

They are zealous for you, but not well, but they wish to exclude you that you may be zealous for 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 his disciples James and John seeing it, said, Lord, do you wish us to call fire to come down from heaven and consume them?
John 16:2
They shall put you out of the synagogues; but the hour is coming when every one that kills you will think he renders God a service.
Romans 10:2
For I bear them witness that they have a zeal for God but not according to knowledge;
Galatians 4:17
They are zealous for you, but not well, but they wish to exclude you that you may be zealous for them.