Matthew 3:11

I indeed baptize you with water unto repentance: but he that is coming after me is mightier than I, whose sandals I am not worthy to carry: he shall baptize you with the Holy Spirit, and with fire:

Luke 11:38-39

But the Pharisee seeing it, marvelled, that he had not washed before dinner.

Ephesians 5:26-27

that he might sanctify it, purifying it in the laver of water by the word,

Hebrews 9:9-10

which figurative representation [continues] unto the present time, according to which both gifts and sacrifices are offered, which cannot, with respect to conscience, make him perfect who performs the services,

Hebrews 10:22

let us come to him with a true heart, in full assurance of faith, having our hearts sprinkled from an evil conscience, and the body washed with pure water:

1 Peter 3:21

The antitype to which baptism now saveth us (not the mere removal of filth from the flesh, but the engagement of a good conscience to God), by the resurrection of Jesus Christ:

Revelation 1:5

and from Jesus Christ, the faithful witness, and first-born from the dead, and the prince of the kings of the earth: to him who loved us, and washed us from our sins by his blood,

Treasury of Scripture Knowledge

Summary

But it shall be, when evening cometh on, he shall wash himself with water: and when the sun is down, he shall come into the camp again.

Bible References

Wash himself

Matthew 3:11
I indeed baptize you with water unto repentance: but he that is coming after me is mightier than I, whose sandals I am not worthy to carry: he shall baptize you with the Holy Spirit, and with fire:
Luke 11:38
But the Pharisee seeing it, marvelled, that he had not washed before dinner.
Ephesians 5:26
that he might sanctify it, purifying it in the laver of water by the word,
Hebrews 9:9
which figurative representation [continues] unto the present time, according to which both gifts and sacrifices are offered, which cannot, with respect to conscience, make him perfect who performs the services,
Hebrews 10:22
let us come to him with a true heart, in full assurance of faith, having our hearts sprinkled from an evil conscience, and the body washed with pure water:
1 Peter 3:21
The antitype to which baptism now saveth us (not the mere removal of filth from the flesh, but the engagement of a good conscience to God), by the resurrection of Jesus Christ:
Revelation 1:5
and from Jesus Christ, the faithful witness, and first-born from the dead, and the prince of the kings of the earth: to him who loved us, and washed us from our sins by his blood,