'Certainly' in the Bible

Moreover, the fat of an animal that has died of natural causes and the fat of an animal torn by beasts may be used for any other purpose, but you must certainly never eat it.

See here! Its blood was not brought into the holy place within! You should certainly have eaten it in the sanctuary just as I commanded!"

Certainly no man who has a physical flaw is to approach: a blind man, or one who is lame, or one with a slit nose, or a limb too long,