Matthew 3:4

This John wore a garment of camel's hair, and a leather belt around his waist, and his food was locusts and wild honey.

Matthew 11:8

"What did you go out into the desert to behold?" he asked; "A reed shaken by the wind? If not, what did you go out to see? A man clothed in soft raiment? Behold, those who wear soft raiment dwell in kings' palaces!

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
This John wore a garment of camel's hair, and a leather belt around his waist, and his food was locusts and wild honey.
Matthew 11:8
"What did you go out into the desert to behold?" he asked; "A reed shaken by the wind? If not, what did you go out to see? A man clothed in soft raiment? Behold, those who wear soft raiment dwell in kings' palaces!