Matthew 5:2

Then Philip opened his mouth, and began at the same scripture, and preached unto him Jesus.

Then Peter opened his mouth, and said, Of a truth I perceive that God is no respecter of persons:

That it might be fulfilled which was spoken by the prophet, saying, I will open my mouth in parables; I will utter things which have been kept secret from the foundation of the world.

Hear; for I will speak of excellent things; and the opening of my lips shall be right things.

And when Paul was now about to open his mouth, Gallio said unto the Jews, If it were a matter of wrong or wicked lewdness, O ye Jews, reason would that I should bear with you:

And for me, that utterance may be given unto me, that I may open my mouth boldly, to make known the mystery of the gospel,