Mark 3:11

“And unclean spirits, when they saw him, etc..] 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 do that, which they that were possessed with them did; and which, notwithstanding their possession of them, they could not prevent, but were obliged to admit of it, as a token of their subjection to Christ: and even the devils themselves in the men, cried, saying, thou art the Son of God; a divine person, equal with God; and…”

“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. Hence, they were charged not to make him known, because he was not desirous that it should be blazoned abroad that he claimed to be the Messiah. He had not yet done what he wished in order to establish his claims to the Messiahship. He was poor and unhonored, and the claim would be treated as that of an impostor. “For the present,” therefore, he did not wish that it should be proclaimed abroad that he was the Messiah. The circumstance here referred to demonstrates the…”

“3:11-12 The evil spirits knew who Jesus was (1:34; see also 1:22; 5:7), but Jesus did not want his identity revealed.”

“unclean: Mar 1:23, Mar 1:24, Mar 5:5, Mar 5:6; Mat 8:31; Luk 4:41; Act 16:17, Act 19:13-17; Jam 2:19 the Son: Mar 1:1; Mat 4:3, Mat 4:6, Mat 8:29, Mat 14:33; Luk 8:28 Mark 3:12”