A medical doctor notices people of different shapes and sizes: they are either healthy or unwell - patients.
A vendor keeps his eyes fixed on someone nearing him: they are either coming to him or are just passing by - buyers.
An evangelist looks at people on photos, videos, or face to face: they are either lost or found - souls.
An adulterer follows women with his eyes: they are either appealing or unappealing - sex partners.
A prostitute gazes flirtatiously at men passing by: they are either wise or foolish - customers.
A child beggar looks at well-clad, well-fed humans passing by: they either are compassionate or too busy to think of her - privileged.
God's eyes range throughout the earth looking at people: they are either godly or ungodly - children.