Mark 9:15

But I say unto you, That Elias is indeed come, and they have done unto him whatsoever they listed, as it is written of him.

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

And he asked the scribes, What question ye with them?

And one of the multitude answered and said, Master, I have brought unto thee my son, which hath a dumb spirit;