Mark 8:30 in the World English Bible
He commanded them that they should tell no one about him.
Context
29 And he saith unto them, But whom say ye that I am? And Peter answereth and saith unto him, Thou art the Christ.
30 And he charged them that they should tell no man of him.
31 And he began to teach them, that the Son of man must suffer many things, and be rejected of the elders, and of the chief priests, and scribes, and be killed, and after three days rise again.