'Water' in the Bible

For after every commandment in the Law had been spoken to all the people by Moses, he took the blood of calves and goats, together with some water, scarlet wool, and branches of hyssop, and sprinkled the scroll and all the people,

let us continue to come near with sincere hearts in the full assurance that faith provides, because our hearts have been sprinkled clean from a guilty conscience, and our bodies have been washed with pure water.