John Mark
Mark 3:11ESV·traditional attribution

And whenever the unclean spirits saw him, they fell down before him and cried out, “You are the Son of God.”

Matthew Henry Presbyterian @wholebiblehenry

Here, as before, we have our Lord Jesus busy at work in the synagogue first, and then by the sea side; to teach us that his presence should not be confined either to the one or to the other, but, wherever any are gathered together in his name, whether in the synagogue or any where else, there is he in the midst of them.

Commenting on Mark 3:1-12

John Gill Reformed Baptist @doctorgill

And unclean spirits, when they saw him,.... That is, as the Syriac and Arabic versions read, "they who had unclean spirits": or, as the Ethiopic, "they that were possessed with unclean spirits"; as soon as ever they beheld Christ, though they had never seen him before, and he was an entire stranger to them, yet fell down before him: the unclean spirits being said to...

Albert Barnes Presbyterian @notesbybarnes

Verses 11,12. Unclean spirits. Persons who were possessed of evil spirits. Thou art the Son of God. The Son of God, by way of eminence. In this place it is equivalent to the Messiah, who was, among the Jews, called the Son of God.