'Make Sure' in the Bible

And [immediately] they were able to see. Jesus then strongly urged them, saying, "Make sure that no one knows [what I have done for you]."

Make sure you do not look down on any one of these little ones [i.e., humble followers of Christ]. For I tell you, their angels in heaven always see the face of my Father in heaven. {[{[Some ancient manuscripts include verse

You will hear of wars and rumors of wars. Make sure that you are not alarmed, for this must happen, but the end is still to come.