But I replied, “No, Sovereign Lord! I have never defiled myself. From childhood on I have never eaten meat from any animal that died a natural death or was killed by wild animals. I have never eaten any food considered unclean.”
Daniel made up his mind not to let himself become ritually unclean by eating the food and drinking the wine of the royal court, so he asked Ashpenaz to help him,
You must not eat any of the following birds: eagles, owls, hawks, falcons; buzzards, vultures, crows; ostriches; seagulls, storks, herons, pelicans, cormorants; hoopoes; or bats.
Any food which could normally be eaten, but on which water from such a pot has been poured, will be unclean, and anything drinkable in such a pot is unclean.
Do not let all kinds of strange teachings lead you from the right way. It is good to receive inner strength from God's grace, and not by obeying rules about foods; those who obey these rules have not been helped by them.
since they have to do only with food, drink, and various purification ceremonies. These are all outward rules, which apply only until the time when God will establish the new order.