Matthew 3:4

John wore clothing made of hair cloth, and he had a leather belt around his waist, and he lived on dried locusts and wild honey.

Matthew 11:8

Then what did you go out there to see? A man luxuriously dressed? Men who dress in that way you find in the palaces of kings.

Treasury of Scripture Knowledge

Summary

And as Obadiah was in the way, behold, Elijah met him: and he knew him, and fell on his face, and said, Art thou that my lord Elijah?

Bible References

He knew

Matthew 3:4
John wore clothing made of hair cloth, and he had a leather belt around his waist, and he lived on dried locusts and wild honey.
Matthew 11:8
Then what did you go out there to see? A man luxuriously dressed? Men who dress in that way you find in the palaces of kings.