Exodus 40:31
And Moses and Aaron and his sons washed their hands and their feet there.
Exodus 30:19-20
for Aaron and his sons shall wash their hands and their feet there.
Psalm 26:6
I will wash my hands in innocency; so I will go around Your altar, O Jehovah,
Psalm 51:6-7
Behold, You desire truth in the inward parts; and in the hidden part You shall make me to know wisdom.
John 13:10
Jesus said to him, He who is bathed has no need except to wash his feet, but is clean every whit. And you are clean, but not all.
1 John 1:7
But if we walk in the light, as He is in the light, we have fellowship with one another, and the blood of Jesus Christ His Son cleanses us from all sin.
1 John 1:9
If we confess our sins, He is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness.