the lights are on but nobody's home TheFreeDictionarycomLights brighten a house, but when it comes to no one, they remain unacknowledged. Properties devoid of human presence remain unlit. Absence of people to acknowledge the beam, absence of people's property to enlighten. Vacant
homes remain void of light, leaving the lamps pointless. Beam seeks people, but in nobody's residence, there's no one to light up.