'Surely' in the Bible

Now therefore, as the LORD lives, who has established me and set me on the throne of my father David, and who has established a dynasty, just like he promised, Adonijah will surely be executed today."

As surely as the LORD your God lives, there isn't a nation or kingdom where my master hasn't tried to find you. Whenever they would say "He isn't here,' he forced that kingdom or nation to swear that they hadn't seen you.