Bible Verses About Purification: Washing hands in water, symbolic of innocency

And all the Elders of that citie that came neere to the slayne man, shall wash their hands ouer the heifer that is beheaded in the valley:

I will wash mine handes in innocencie, O Lord, and compasse thine altar,

When Pilate saw that he auailed nothing, but that more tumult was made, he tooke water and washed his hands before the multitude, saying, I am innocent of the blood of this iust man: looke you to it.