2 Peter 2:16

but he was rebuked for his iniquity, the dumb beast, speaking with man's voice, restrained the madness of the prophet.

Luke 16:11

If, therefore, you have not been faithful in the unrighteous riches, who will intrust you with the true?

Acts 26:11

And I punished them often in every synagogue, and compelled them to speak impiously; and, being exceedingly mad against them, I persecuted them even to foreign cities.

Acts 26:24-25

And as he spoke these things in his defense, Festus said, with a loud voice; Paul, you are mad; much learning drives you to madness.

Treasury of Scripture Knowledge

Summary

But was rebuked for his iniquity: the dumb ass speaking with man's voice forbad the madness of the prophet.

The madness

Bible References

The madness

Luke 16:11
If, therefore, you have not been faithful in the unrighteous riches, who will intrust you with the true?
Acts 26:11
And I punished them often in every synagogue, and compelled them to speak impiously; and, being exceedingly mad against them, I persecuted them even to foreign cities.