'Sure' in the Bible

“Be sure to observe what I am commanding you this day: behold, I am going to drive out the Amorite before you, and the Canaanite, the Hittite, the Perizzite, the Hivite and the Jebusite.

But if you will not do so, behold, you have sinned against the Lord, and be sure your sin will find you out.

Only be sure not to eat the blood, for the blood is the life, and you shall not eat the life with the flesh.

Go now, make more sure, and investigate and see his place where his haunt is, and who has seen him there; for I am told that he is very cunning.

The law of the Lord is perfect, restoring the soul;The testimony of the Lord is sure, making wise the simple.

The works of His hands are truth and justice;All His precepts are sure.

A wicked man displays a bold face,But as for the upright, he makes his way sure.

He will dwell on the heights,His refuge will be the impregnable rock;His bread will be given him,His water will be sure.

Ephraim will become a desolation in the day of rebuke;Among the tribes of Israel I declare what is sure.