'Certainly' in the Bible
"We arrived at the place where you've sent us," they reported, "and it certainly does flow with milk and honey. Furthermore, this is its fruit,
So tell them that as long as I live consider this to be an oracle from the LORD as certainly as you've spoken right into my ears, that's how I'm going to treat you.
You will certainly never enter the land about which I made an oath with my uplifted hand to settle you in it, except for Jephunneh's son Caleb and Nun's son Joshua.
Because he has despised the law of the LORD and has broken his commands, that person is certainly to be eliminated. His iniquity will remain on him."
Then the LORD told Moses, "The man is certainly to die. The entire community is to stone him to death outside the camp."
As to the descendants of Levi, certainly I've given all the tithes in Israel as their inheritance in return for their services that they perform at the Tent of Meeting.
Therefore, I'm certainly going to be giving him my covenant of peace,
because the LORD had said about them, "They'll certainly die in the wilderness. No man will survive from them except Jephunneh's son Caleb and Nun's son Joshua."
"The daughters of Zelophehad are telling the truth. You are certainly to give to them a possession for an inheritance among their father's relatives. You are to pass on the inheritance of their father to them.
"Whoever uses an iron implement to kill someone is to be adjudged a murderer, and that murderer is certainly to be put to death.
Furthermore, whoever uses a stone implement to kill someone is to be adjudged a murderer, and that murderer is certainly to be put to death.
Also, whoever uses a wooden implement to kill someone with it is to be adjudged a murderer, and that murderer is certainly to be put to death.
or if he struck him with his hand out of hatred so that he died, then the killer is certainly to be put to death for murder. The avenger of blood is to put him to death when he meets him."