'Focused' in the Bible

"So when I go back to your servant, my father, and the young man isn't with us, since he's constantly living life focused on his son,

Meanwhile, Zeruiah's son Joab knew that the king's attention was focused on Absalom,

Because he has focused his love on me, I will deliver him. I will protect him because he knows my name.

You will keep perfectly peaceful the one whose mind remains focused on you, because he remains in you.