Exodus 4:11-12

4:11 The Lord said to him, “Who gave a mouth to man, or who makes a person mute or deaf or seeing or blind? Is it not I, the Lord? 4:12 So now go, and I will be with your mouth and will teach you what you must say.”

Hosea 14:2

14:2 Return to the Lord and repent!

Say to him: “Completely forgive our iniquity;

accept our penitential prayer,

that we may offer the praise of our lips as sacrificial bulls.

Luke 21:15

21:15 For I will give you the words along with the wisdom that none of your adversaries will be able to withstand or contradict.

Ephesians 6:19

6:19 Pray for me also, that I may be given the message when I begin to speak – that I may confidently make known the mystery of the gospel,

Colossians 4:3-4

4:3 At the same time pray for us too, that God may open a door for the message so that we may proclaim the mystery of Christ, for which I am in chains. 4:4 Pray that I may make it known as I should.

Hebrews 13:15

13:15 Through him then let us continually offer up a sacrifice of praise to God, that is, the fruit of our lips, acknowledging his name.