'Keep Silent' in the Bible

My bowels, my bowels! I writhe! The walls of my heart! My heart is restless within me, I cannot keep silent, for I hear [in] my inner self the sound of a horn, [the] alarm of war.

And all the heads come in unto Jeremiah, and ask him, and he declareth to them according to all these words that the king commanded, and they keep silent from him, for the matter was not heard;