For I offer testimony to them, that they have a zeal for God, but not according to knowledge
Other versions
King James Version
For I bear them record that they have a zeal of God, but not according to knowledge.English Standard Version
I bear them witness that they have a zeal for God, but not according to knowledge.New International Version
For I can testify about them that they are zealous for God, but their zeal is not based on knowledge.