4 Bible Verses about Speaking With The Mouth

their mouth is full of cursing and bitterness;

And after there had been much disputing, Peter arose, and said to them: Brethren, you know that, at the beginning, God made choice among us, that, by my mouth, the Gentiles should hear the word of the Gospel, and believe.

But what says it? The word is near you, in your mouth and in your heart; that is, the word of faith which we preach;

For with the heart we believe, in order to justification; and with the mouth we make confession, it order to salvation.