Amos 7:12-16

Also Amaziah said unto Amos, O thou seer, go, flee thee away into the land of Judah, and there eat bread, and prophesy there:

But prophesy not again any more at Beth-el: for it is the king’s chapel, and it is the king’s court.

Then answered Amos, and said to Amaziah, I was no prophet, neither was I a prophet’s son; but I was an herdman, and a gatherer of sycomore fruit:

And the LORD took me as I followed the flock, and the LORD said unto me, Go, prophesy unto my people Israel.

Now therefore hear thou the word of the LORD: Thou sayest, Prophesy not against Israel, and drop not thy word against the house of Isaac.