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.”

Exodus 4:15

4:15 “So you are to speak to him and put the words in his mouth. And as for me, I will be with your mouth and with his mouth, and I will teach you both what you must do.

Jeremiah 1:7-9

1:7 The Lord said to me, “Do not say, ‘I am too young.’ But go to whomever I send you and say whatever I tell you. 1:8 Do not be afraid of those to whom I send you, for I will be with you to protect you,” says the Lord. 1:9 Then the Lord reached out his hand and touched my mouth and said to me, “I will most assuredly give you the words you are to speak for me.

Matthew 10:19-20

10:19 Whenever they hand you over for trial, do not worry about how to speak or what to say, for what you should say will be given to you at that time. 10:20 For it is not you speaking, but the Spirit of your Father speaking through you.

Luke 12:11-12

12:11 But when they bring you before the synagogues, the rulers, and the authorities, do not worry about how you should make your defense or what you should say, 12:12 for the Holy Spirit will teach you at that moment what you must say.”

Luke 21:14-15

21:14 Therefore be resolved not to rehearse ahead of time how to make your defense. 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.