And remain outside the camp seven days: whoever has killed any person, and whoever has touched any slain, purify both yourselves and your captives on the third day, and on the seventh day.
And there were certain men, who were defiled by the dead body of a man, so that they could not keep the passover on that day: and they came before Moses and before Aaron on that day:
Woe to you, scribes and Pharisees, hypocrites! For you are like whitened sepulchers, which indeed appear beautiful outwardly, but are within full of dead men’s bones, and of all uncleanness.