Exodus 40:31
And Moses and Aaron and his sons washed their hands and their feet there.
Exodus 30:19-20
And Aaron and his sons shall wash their hands and their feet there.
Psalm 26:6
I will wash my hands in innocence, so I will encompass thine altar, O LORD,
Psalm 51:6-7
Behold, thou desire truth in the inward parts, and in the hidden part thou will make me to know wisdom.
John 13:10
Jesus says to him, He who is bathed has no need to wash the feet either, but is entirely clean. And ye 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 each other, and the blood of Jesus Christ his Son cleanses us from every sin.
1 John 1:9
If we confess our sins, he is faithful and righteous so that he will forgive us our sins, and cleanse us from every unrighteousness.