'Sure' in the Bible

Tell him, 'Make sure you stay calm! Don't be afraid! Don't be intimidated by these two stubs of smoking logs, or by the raging anger of Rezin, Syria, and the son of Remaliah.

The Lord who commands armies makes this solemn vow: "Be sure of this: Just as I have intended, so it will be; just as I have planned, it will happen.

Then a trustworthy king will be established; he will rule in a reliable manner, this one from David's family. He will be sure to make just decisions and will be experienced in executing justice.