Mark 9:20

9:20 So they brought the boy to him. When the spirit saw him, it immediately threw the boy into a convulsion. He fell on the ground and rolled around, foaming at the mouth.

Mark 13:11

13:11 When they arrest you and hand you over for trial, do not worry about what to speak. But say whatever is given you at that time, for it is not you speaking, but the Holy Spirit.