Amos 7:14-16

14Then answered Amos, and said to Amaziah, I was no prophet, neither was I a prophet’s son; but I was an herdman, and a dresser of sycomore trees:

15and the LORD took me from following the flock, and the LORD said unto me, Go, prophesy unto my people Israel.

16Now therefore hear thou the word of the LORD: Thou sayest, Prophesy not against Israel, and drop not thy word against the house of Isaac;