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.”

Isaiah 6:6-7

6:6 But then one of the seraphs flew toward me. In his hand was a hot coal he had taken from the altar with tongs. 6:7 He touched my mouth with it and said, “Look, this coal has touched your lips. Your evil is removed; your sin is forgiven.”

Isaiah 49:2

49:2 He made my mouth like a sharp sword,

he hid me in the hollow of his hand;

he made me like a sharpened arrow,

he hid me in his quiver.

Isaiah 50:4

The Servant Perseveres

50:4 The sovereign Lord has given me the capacity to be his spokesman,

so that I know how to help the weary.

He wakes me up every morning;

he makes me alert so I can listen attentively as disciples do.

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.