'Constant' in the Bible

Saul was even more afraid of David; and Saul became David’s constant enemy.

Now when the queen of Sheba heard of the fame of Solomon concerning the name of the Lord, she came to test him with riddles.

“You will keep in perfect and constant peace the one whose mind is steadfast [that is, committed and focused on You—in both inclination and character],Because he trusts and takes refuge in You [with hope and confident expectation].