"Be alert and of sober mind. Your enemy the devil prowls around like a roaring lion looking for someone to devour." - 1 Peter 5:8

The purposes of a person's heart are deep waters, but one who has insight draws them out. - Proverbs 20:5

Guard your heart above all else, for it determines the course of your life. - Proverbs 4:23

"Set your minds on things above, not on earthly things." - Colossians 3:2