Of the animals that walk on all fours, those that have paws are unclean. If you touch the carcass of such an animal, you will be defiled until evening.
And if someone in an open field touches the corpse of someone who was killed with a sword or who died a natural death, or if someone touches a human bone or a grave, that person will be defiled for seven days.
“Yes,” Samuel replied. “I have come to sacrifice to the Lord. Purify yourselves and come with me to the sacrifice.” Then Samuel performed the purification rite for Jesse and his sons and invited them to the sacrifice, too.
But when David’s place was empty again the next day, Saul asked Jonathan, “Why hasn’t the son of Jesse been here for the meal either yesterday or today?”