Psalm 39:2
"I was dumb with silence, I held my peace, even from good; and my sorrow was stirred."
Cross References (ranked by relevance)
Acts 4:20
For we cannot but speak the things which we have seen and heard.
Isaiah 53:7
He was oppressed, and he was afflicted, yet he opened not his mouth: he is brought as a lamb to the slaughter, and as a sheep before her shearers is dumb, so he openeth not his mouth.
Matthew 7:6
Give not that which is holy unto the dogs, neither cast ye your pearls before swine, lest they trample them under their feet, and turn again and rend you.