Mark 9:13

13 But I say to you, that Elijah is indeed come, and they have done to him whatever they pleased, as it is written concerning him.

Mark 9:13 Meaning and Commentary

Mark 9:13

But I say unto you, that Elias is indeed come
Meaning John the Baptist, who in prophecy is designed by him.

And they have done unto him whatsoever they listed;
(See Gill on Matthew 17:12); which words should be read in a parenthesis, as they are in the Vulgate Latin version; for what follows, as

it is written of him,
respects not what the Scribes and Pharisees, and the people of the Jews did to John at their pleasure; despising his ministry and message, rejecting the counsel of God delivered by him, and remaining impenitent and unbelieving, notwithstanding his powerful and awakening ministry, with many other things, which are no where written of him; but the words regard his coming, and the prophecies concerning him, and particularly, that under the name of Elijah, in ( Malachi 4:5 ) and which had had their accomplishment.

Mark 9:13 In-Context

11 And they asked him, saying, Why say the scribes that Elijah must first come?

12 And he answered and told them, Elijah verily cometh first, and restoreth all things; and how it is written concerning the Son of man, that he must suffer many things, and be set at naught.

13 But I say to you, that Elijah is indeed come, and they have done to him whatever they pleased, as it is written concerning him.

14 And when he came to [his] disciples, he saw a great multitude about them, and the scribes questioning with them.

15 And immediately all the people, when they beheld him, were greatly amazed, and running to [him], saluted him.