Luke 12:11, 12
When you are brought before the synagogues, rulers, and authorities, do not worry about how to defend yourselves or what to say. . . .

Matthew 10:19, 20
But when they hand you over, do not worry about how to respond or what to say. In that hour you will be given what to say. . . .

Mark 13:11
But when they arrest you and hand you over, do not worry beforehand what to say. Instead, speak whatever you are given at that time, for it will not be you speaking, but the Holy Spirit.