Luke 9:54-55

And his disciples James and John seeing it said, Lord, Wilt thou that we bid fire come down from heaven and consume them, even as Elijah did?

John 16:2

yea, the time cometh, that whosoever killeth you, will think he doth God service.

Romans 10:2

For I bear them record, that they have a zeal for God, but not according to knowledge.

Galatians 4:17

They zealously affect you, but not well; yea, they would exclude you, that ye might affect 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, Wilt thou that we bid fire come down from heaven and consume them, even as Elijah did?
John 16:2
yea, the time cometh, that whosoever killeth you, will think he doth God service.
Romans 10:2
For I bear them record, that they have a zeal for God, but not according to knowledge.
Galatians 4:17
They zealously affect you, but not well; yea, they would exclude you, that ye might affect them.