TSK · Deuteronomy 21:6

If I wash myself with snow water, And make my hands never so clean;

I will wash my hands in innocency: So will I compass thine altar, O Jehovah;

Purify me with hyssop, and I shall be clean: Wash me, and I shall be whiter than snow.

Surely in vain have I cleansed my heart, And washed my hands in innocency;

So when Pilate saw that he prevailed nothing, but rather that a tumult was arising, he took water, and washed his hands before the multitude, saying, I am innocent of the blood of this righteous man; see ye [to it] .