Bible Verses About Zeal: Sometimes not According to Knowledge

And when they heard it, they glorified the Lord, and said unto him, Thou seest, brother, how many thousands of Jews there are which believe; and they are all zealous of the law:

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

And profited in the Jews' religion above many my equals in mine own nation, being more exceedingly zealous of the traditions of my fathers.