Exodus 30:19-20

19with which Aaron and his sons ashall wash their hands and their feet. 20When they go into the tent of meeting, or when they come near the altar to minister, to burn a food offering
Or  an offering by fire
to the Lord, they shall wash with water, so that they may not die.

Psalms 24:4

4 cHe who has dclean hands and ea pure heart,
who does not flift up his soul to gwhat is false
and does not swear deceitfully.

Psalms 73:13

13All in vain have I hkept my heart clean
and iwashed my hands in innocence.

Isaiah 1:16-18

16 jWash yourselves; make yourselves clean;
remove the evil of your deeds from before my eyes;
kcease to do evil,
17learn to do good;
lseek justice,
correct oppression;
mbring justice to the fatherless,
plead the widow’s cause.
18 Come now, nlet us reason
Or dispute
together, says the Lord:
though your sins are like scarlet,
they shall be as pwhite as snow;
though they are red like crimson,
they shall become like wool.

Titus 3:5

5he saved us, qnot because of works done by us in righteousness, but raccording to his own mercy, by sthe washing of regeneration and trenewal of the Holy Spirit,

Hebrews 10:19-22

The Full Assurance of Faith

19 uTherefore, brothers,
Or  brothers and sisters
since we have confidence to enter wthe holy places by the blood of Jesus,
20by xthe new and living way that he opened for us through ythe curtain, that is, through his flesh, 21and since we have za great priest over the house of God, 22let us draw near with a true heart in full assurance of faith, with our hearts aasprinkled clean abfrom an evil conscience and our bodies acwashed with pure water.
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