Mark 1:34

34 and Jesus healed many who had various diseases. He also drove out many demons, but he would not let the demons speak because they knew who he was.

Read Mark 1:34 Using Other Translations

And he healed many that were sick of divers diseases, and cast out many devils; and suffered not the devils to speak, because they knew him.
And he healed many who were sick with various diseases, and cast out many demons. And he would not permit the demons to speak, because they knew him.
So Jesus healed many people who were sick with various diseases, and he cast out many demons. But because the demons knew who he was, he did not allow them to speak.

What does Mark 1:34 mean?

John Gill's Exposition of the Bible
Mark 1:34

And he healed many that were sick of divers diseases
Not that there were some, who had some sorts of diseases, whom he did not heal; but he healed all that came, or were brought to him, which were many, of every sort of disease, which were divers, with which they were afflicted:

and cast many devils;
even as many as were brought to him, or were possessed with any:

and he suffered not the devils to speak;
either for him, or against him; which shows his great power over them:

because they knew him,
or "that they knew him": he would not suffer them to say a word about him, because he knew that they knew that he was the Christ, the Son of God, or he would not permit them to say who he was; because he had others to bear witness of him, and better testimonies than theirs, and lest his enemies should reproach him with an agreement and familiarity with them.

California - Do Not Sell My Personal Information  California - CCPA Notice