THE BOOK OF THE PROPHET JEREMIAH.
CHAPTER 6:

10 To whom shall I speak, and give
warning, that they may hear? behold, their
ear is uncircumcised, and they cannot
hearken: behold, the word of the LORD is
unto them a reproach; they have no delight
in it.

CHAPTER 20:

9 Then I said, I will not make mention of
him, nor speak any more in his name. But
his word was in mine heart as a burning
fire shut up in my bones, and I was weary
with forbearing, and I could not stay.