Mark 3:12 in the King James Version
And he straitly charged them that they should not make him known.
Context
11 The unclean spirits, whenever they saw him, fell down before him and cried, “You are the Son of God!”
12 He sternly warned them that they should not make him known.
13 He went up into the mountain and called to himself those whom he wanted, and they went to him.